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UGEN Sonja

University of Luxembourg > Faculty of Humanities, Education and Social Sciences (FHSE) > LUCET

Main Referenced Co-authors
FISCHBACH, Antoine  (90)
KELLER, Ulrich  (58)
MARTIN, Romain  (47)
SCHILTZ, Christine  (36)
HORNUNG, Caroline  (30)
Main Referenced Keywords
Luxembourg (13); academic achievement (8); diagnostics (8); multilingualism (8); Academic Achievement (6);
Main Referenced Unit & Research Centers
Faculty of Language and Literature, Humanities, Arts and Education (FLSHASE) > Luxembourg Centre for Educational Testing (LUCET) (20)
LUCET (2)
Luxembourg Centre for Educational Testing (LUCET) (1)
Main Referenced Disciplines
Education & instruction (173)
Theoretical & cognitive psychology (21)
Neurosciences & behavior (18)
Languages & linguistics (11)
Sociology & social sciences (6)

Publications (total 204)

The most downloaded
1185 downloads
UGEN, S., SCHILTZ, C., FISCHBACH, A., & PIT-TEN CATE, I. (Eds.). (2021). Lernstörungen im multilingualen Kontext: Diagnose und Hilfestellungen. Esch-sur-Alzette, Luxembourg: Melusina Press. doi:10.26298/bw1j-9202 https://hdl.handle.net/10993/45395

The most cited

370 citations (OpenAlex)

Gogol, K., Brunner, M., Goetz, T., MARTIN, R., UGEN, S., KELLER, U., FISCHBACH, A., & Preckel, F. (2014). "My questionnaire is too long!" The assessments of motivational-affective constructs with three-item and single-item measures. Contemporary Educational Psychology, 39 (3), 188-205. doi:10.1016/j.cedpsych.2014.04.002 https://hdl.handle.net/10993/16428

MONTEIRO, S., ESCH, P., Hipp, G., & UGEN, S. (2025). The development of a screener for Cerebral Visual Impairment. Applied Neuropsychology: Child, 1 - 14. doi:10.1080/21622965.2025.2451986
Peer Reviewed verified by ORBi

MONTEIRO, S., ESCH, P., Hipp, G., & UGEN, S. (2025). How do children with Cerebral Visual Impairment (CVI)-related visual difficulties perform on key academic domains in grade 1? Child Neuropsychology: A Journal on Normal and Abnormal Development in Childhood and Adolescence, 1 - 21. doi:10.1080/09297049.2025.2454450
Peer Reviewed verified by ORBi

POWELL, J. J. W., UGEN, S., & PIT-TEN CATE, I. (2024). Diversität, Gerechtigkeit und Inklusion im luxemburgischen Bildungssystem. In Luxembourg Centre for Educational Testing (LUCET) & Service de Coordination de la Recherche et de l‘Innovation pédagogiques et technologiques (SCRIPT) (Eds.), Nationaler Bildungsbericht 2024 (pp. 16-21). Esch-sur-Alzette, Luxembourg: Luxembourg Centre for Educational Testing (LUCET), Universität Luxemburg (Uni.lu) Service de Coordination de la Recherche et de l‘Innovation pédagogiques et technologiques (SCRIPT). doi:10.48746/bb2024lu-de-2
Peer reviewed

ROMANOVSKA, L., PIT-TEN CATE, I., & UGEN, S. (2024). Die Diagnostik von spezifischen Lernstörungen im Bereich des Lesens und Schreibens in einem multilingualen Bildungskontext. In Luxembourg Center for Educational Testing (LUCET) & Service de Coordination de la Recherche et de l‘Innovation pédagogiques et technologiques (SCRIPT) (Eds.), Nationaler Bildungsbericht 2024 (pp. 90-93). Luxembourg Centre for Educational Testing (LUCET), Universität Luxemburg (Uni.lu) Service de Coordination de la Recherche et de l‘Innovation pédagogiques et technologiques (SCRIPT). doi:10.48746/bb2024lu-de-19
Peer reviewed

TREMMEL, K. A. M., PIT-TEN CATE, I., ROMANOVSKA, L., Wealer, A., & UGEN, S. (2024). Der Einfluss des Sprachhintergrunds auf das Sprachverständnis im Deutschen. In Luxembourg Centre for Educational Testing (LUCET) & Service de Coordination de la Recherche et de l´Innovation pédagogiques et technologiques (SCRIPT), Nationaler Bildungsbericht 2024 (pp. 86-89). Esch-sur-Alzette, Luxembourg: Luxembourg Centre for Educational Testing (LUCET), Universität Luxemburg (Uni.lu) Service de Coordination de la Recherche et de l‘Innovation pédagogiques et technologiques (SCRIPT). doi:10.48746/bb2024lu-de-18
Peer reviewed

LENZ, T., BACKES, S., HAAS, C., FISCHBACH, A., & UGEN, S. (2024). Diversität und Inklusion – der vierte Bildungsbericht für Luxemburg. In Nationaler Bildungsbericht Luxemburg 2024. Esch-Belval, Luxembourg: LUCET. doi:10.48746/bb2024lu-de-1
Peer reviewed

MONTEIRO, S., ESCH, P., ENGEL Pierre-Jean, & UGEN, S. (2024). Visuelle Beeinträchtigungen im Kindesalter: Früherkennung mit dem nationalen Bildungsmonitoring ÉpStan. In Nationaler Bildungsbericht 2024 (pp. 98-101). Esch-sur-Alzette, Luxembourg: Luxembourg Centre for Educational Testing (LUCET); University of Luxembourg. doi:10.48746/bb2024lu-de-21
Peer reviewed

COLLING, J., GRUND, A., KELLER, U., ESCH, P., FISCHBACH, A., & UGEN, S. (2024). Differences in Mathematics Achievement Between Students from European Public Schools and Students Following the Luxembourgish Curriculum: A Cross-Sectional Analysis at Primary and Secondary School Level. In Nationaler Bildungsbericht 2024 (Online Supplement). Luxembourg Centre for Educational Testing (LUCET); University of Luxembourg.
Peer reviewed

OTTENBACHER, M.* , WOLLSCHLÄGER, R.* , KELLER, U., SONNLEITNER, P., HORNUNG, C., ESCH, P., FISCHBACH, A., & UGEN, S. (2024). Nationaler Bildungsbericht 2024. (3). Esch-sur-Alzette, Luxembourg: Luxembourg Center for Educational Testing (LUCET). doi:10.48746/bb2024lu-de-12ahttps://orbilu.uni.lu/handle/10993/63690
* These authors have contributed equally to this work.

KAUFMANN, L. M., OTTENBACHER, M., WETH, C., FISCHBACH, A., UGEN, S., & HORNUNG, C. (2024). Frühkindliche Bildung und Betreuung in Luxemburg: Wer nimmt die Angebote wahr und welche Effekte hat der Besuch auf frühe Schulleistung? In T. LENZ, S. BACKES, ... C. HAAS, Nationaler Bildungsbericht 2024 (pp. 28-35). Esch-sur-Alzette, Luxembourg: Luxembourg Center for Educational Testing (LUCET). doi:10.48746/bb2024lu-de-4
Peer reviewed

HORNUNG, C., COLLING, J., ESCH, P., KELLER, U., HELLWIG, A.-L., & UGEN, S. (2024). Erste Ergebnisse zum Pilotprojekt „ALPHA – zesumme wuessen“: Zusammensetzung der Schülerschaft, Schulleistungen und Motivation im Vergleich. In Nationaler Bildungsbericht 2024 (pp. 52-53). Luxembourg Centre for Educational Testing (LUCET); University of Luxembourg. doi:10.48746/bb2024lu-de-11
Peer reviewed

HILGER, V. A. J., UGEN, S., ROMANOVSKA, L., & SCHILTZ, C. (2024). Diagnose spezifischer Lernstörung im Bereich Mathematik in einem multilingualen Bildungskontext. In Luxembourg Centre for Educational Testing (LUCET) & Service de Coordination de la Recherche et de l'Innovation pédagogiques et technologiques (SCRIPT), Nationaler Bildungsbericht Luxemburg 2024 (pp. 94–97). Luxembourg: Luxembourg Centre for Educational Testing (LUCET). doi:10.48746/bb2024lu-de-20
Peer reviewed

COLLING, J., GRUND, A., KELLER, U., ESCH, P., FISCHBACH, A., & UGEN, S. (2024). Unterschiede zwischen Öffentlichen Europaschulen und Schulen, die dem luxemburgischen Lehrplan folgen: Eine Querschnittsanalyse von Mathematikleistungen in der Grund- und Sekundarschule. In Nationaler Bildungsbericht 2024 (pp. 154-163). Luxembourg Centre for Educational Testing (LUCET); University of Luxembourg.
Peer reviewed

COLLING, J., ESCH, P., ROSA, C., KELLER, U., WOLLSCHLÄGER, R., UGEN, S., & FISCHBACH, A. (2024). Auswirkungen der COVID-19-Pandemie auf die schulischen Kompetenzen von Grundschüler*innen in Luxemburg: Erste längsschnittliche Befunde aus den „Épreuves Standardisées“ (ÉpStan). In Nationaler Bildungsbericht 2024 (pp. 112-123). Luxembourg Centre for Educational Testing (LUCET); University of Luxembourg. doi:10.48746/bb2024lu-de-25a
Peer reviewed

HELLWIG, A.-L., COLLING, J., KELLER, U., ESCH, P., UGEN, S., & HORNUNG, C. (07 November 2024). Fairer school start in Luxembourg: First findings of the pilot project „Zesumme Wuessen!“ offering literacy acquisition in German or French [Paper presentation]. LuxERA Luxembourg Educational Research Association Conference 2024, Belval, Luxembourg.
Peer reviewed

SONNLEITNER, P., BERNARD, S., & UGEN, S. (2024). Emerging Trends in Computer-Based Testing: Insights from OASYS and the Impact of Generative Item Models. In B. Ranđelović, E. Karalić, K. Aleksić, ... D. Đukić (Eds.), E-testing and computer-based assessment (2024, pp. 82 - 99). Belgrade, Serbia: CIDREE Yearbook 2024. Belgrade: Institute for Education Quality and Evaluation.
Editorial reviewed

ROMANOVSKA, L., PIT-TEN CATE, I., CROLS, S. M., & UGEN, S. (07 November 2024). A novel test battery to diagnose a specific learning disorder in reading/writing in Luxembourg’s multilingual education setting [Poster presentation]. LuxERA Conference.
Peer reviewed

SONNLEITNER, P., BERNARD, S., & UGEN, S. (07 November 2024). Emerging Trends In e-Assessment: Insights From OASYS And The Impact Of Generative Item Models [Paper presentation]. CIDREE Conference 2024, Belgrade, Serbia.
Editorial reviewed

HILGER, V. A. J., UGEN, S., ROMANOVSKA, L., & SCHILTZ, C. (07 November 2024). A novel test battery for Luxembourg to diagnose specific learning disorder in mathematics in third-grade children [Poster presentation]. LuxERA Conference 2024, Esch/Belval, Luxembourg.
Peer reviewed

GRUND, A., BRAUN, C., Emslander, V., KRÄMER, C., PIT-TEN CATE, I., RIVAS, S., & UGEN, S. (08 October 2024). Why girls should be less compliant, and boys deserve better grades: The diligence fallacy in education (and self-regulation research) [Poster presentation]. Symposium on Integrative Perspectives on Conflict and Control, Tübingen, Germany.

HILGER, V. A. J., UGEN, S., ROMANOVSKA, L., & SCHILTZ, C. (16 September 2024). The Role of Language in the Diagnostics of Math Learning Disorder in a Multilingual Education Context [Paper presentation]. 53rd DPGs Congress / 15th ÖGP Conference, Vienna, Austria.
Peer reviewed

UGEN, S., & COLLING, J. (September 2024). The Luxembourg School Monitoring Programme Épreuves Standardisées (ÉpStan) and its Recent Extensions - Länderbericht Luxemburg [Paper presentation]. BELDACH‐Treffen, Berlin, Germany.

HILGER, V. A. J., UGEN, S., ROMANOVSKA, L., TREMMEL, K. A. M., & SCHILTZ, C. (28 June 2024). Mathematical language and its relation to numerical performance in linguistically diverse elementary-school children [Paper presentation]. 7th Annual Conference of the Mathematical Cognition and Learning Society, Washington D.C., United States.
Peer reviewed

COLLING, J., HORNUNG, C., ESCH, P., KELLER, U., HELLWIG, A.-L., & UGEN, S. (2024). Literacy Acquisition in German or French in the Pilot Project “Zesumme wuessen!” – Preliminary ÉpStan Results of Student Characteristics, Achievement, Motivation, and Parental Support. Esch-sur-Alzette, Luxembourg: Luxembourg Centre for Educational Testing (LUCET). doi:10.48746/ALPHA2024https://orbilu.uni.lu/handle/10993/61424

HILGER, V. A. J., UGEN, S., ROMANOVSKA, L., TREMMEL, K. A. M., & SCHILTZ, C. (29 May 2024). Diagnosing Specific Learning Disorder in Mathematics in a Multilingual Education Context: Language Matters [Paper presentation]. Advances in Numerical Cognition Research - 12th Annual Meeting, Padova, Italy.
Peer reviewed

CROLS, S. M., ROMANOVSKA, L., UGEN, S., & PIT-TEN CATE, I. (28 May 2024). Effect of home language on spelling error patterns in primary school children [Paper presentation]. Psycholinguistics in Flanders 2024, Brussel, Belgium.
Peer reviewed

HORNUNG, C.* , & UGEN, S.*. (2024). Rencontre autour des inégalités scolaires au Luxembourg [Paper presentation]. Rencontre autour des inégalités scolaires au Luxembourg, Mamer, Luxembourg.
* These authors have contributed equally to this work.

Breit, M., Brunner, M., FISCHBACH, A., WOLLSCHLÄGER, R., KELLER, U., UGEN, S., & Preckel, F. (2024). Academic Profile Development: An Investigation of Differentiation Processes Based on Students’ Level of Achievement and Grade Level. Journal of Educational Psychology. doi:10.1037/edu0000856
Peer Reviewed verified by ORBi

WETH, C., DORDING, C., KLASEN, L., FAYOL, M., Funke, R., & UGEN, S. (2024). Effects of parallel syntactic training in French plural spelling and German noun capitalization. Morphology. doi:10.1007/s11525-024-09420-3
Peer Reviewed verified by ORBi

WETH, C., KLASEN, L., & UGEN, S. (2024). Les apprentissages des marqueurs du pluriel en français écrit au primaire : Enjeux de la grammaire orthographique. In T. RAUS & C. Lentz (Ed.), Libre cours. Perspectives didactiques dans l'enseignement du francais au Luxembourg. Esch-sur-Alzette, Luxembourg: Melusina Press.
Peer reviewed

COLLING, J., HORNUNG, C., ESCH, P., KELLER, U., HELLWIG, A.-L., & UGEN, S. (2024). Literacy Acquisition in German or French in the Pilot Project "Zesumme Wuessen!" - Preliminary ÉpStan Results of Student Characteristics, Achievement, Motivation, and Parental Support [Paper presentation]. Journée « Alpha – Zesumme wuessen! » & Collège des Directeurs, Luxembourg, Luxembourg.

HILGER, V. A. J., UGEN, S., ROMANOVSKA, L., & SCHILTZ, C. (09 November 2023). Diagnosing Specific Learning Disorder in Mathematics: Development of a Test Battery Tailored to Luxembourg [Paper presentation]. LuxERA Emerging Researchers' Conference, Esch/Belval, Luxembourg.
Peer reviewed

ROMANOVSKA, L., PIT-TEN CATE, I., TREMMEL, K. A. M., Wealer, A. P., & UGEN, S. (08 November 2023). The relationship between children’s vocabulary knowledge and reading in a multilingual education setting [Paper presentation]. LUXERA Emerging Researchers’ Conference.
Peer reviewed

DORDING, C., UGEN, S., FAYOL, M., WETH, C., & KLASEN, L. (08 November 2023). Video-based syntactic training and effect on French plural spelling [Paper presentation]. Emerging Researchers Conference 2023, Esch/Belval, Luxembourg.
Peer reviewed

UGEN, S., WETH, C., & DORDING, C. (08 November 2023). Impact of the syntactic training on French plural spelling of different performance clusters in grade 4 [Paper presentation]. Emerging Researchers Conference 2023, Esch/Belval, Luxembourg.
Peer reviewed

COLLING, J., GRUND, A., KELLER, U., ESCH, P., FISCHBACH, A., & UGEN, S. (November 2023). Mathematics Achievement in Primary and Secondary Schools: A Comparison Between Students in European Public Schools and Students in Schools Following the Luxembourgish Curriculum [Paper presentation]. LuxERA Emerging Researchers' Conference 2023.
Peer reviewed

UGEN, S. (21 September 2023). Multiple ways of using school monitoring data [Paper presentation]. Different ways of using data, Lipperscheid, Luxembourg.

HILGER, V. A. J., UGEN, S., ROMANOVSKA, L., & SCHILTZ, C. (09 September 2023). Specific Learning Disorder in Mathematics in a Multilingual Education Context: Towards a More Tailored Diagnosis [Poster presentation]. ESCOP 2023 - 23rd Conference of the European Society for Cognitive Psychology, Porto, Portugal.
Peer reviewed

ROMANOVSKA, L., PIT-TEN CATE, I., & UGEN, S. (23 August 2023). The Impact of Multilingualism on Children’s Reading/Writing Skills and Scholastic Performance [Paper presentation]. ECER, Glasgow, United Kingdom.

GAMO, S., VLASSIS, J., SONNLEITNER, P., UGEN, S., KELLER, U., RATHMACHER, Y., & FISCHBACH, A. (17 August 2023). Quels impacts des contextes socio-économique et linguistique sur l’apprentissage des mathématiques au Luxembourg ? [Paper presentation]. Commission for the Study and Improvement of Mathematics Teaching 74, Malmö, Sweden.
Peer reviewed

MONTEIRO, S., ESCH, P., HIPP, G., & UGEN, S. (25 July 2023). The impact of cerebral visual impairment on scholastic competence tests in grade 1 children [Paper presentation]. 14th Low Vision Conference, Denver, Colorado, United States.

UGEN, S., LENZ, T., COLLING, J., GRUND, A., KELLER, U., ESCH, P., BACKES, S., GEZER, E. T., Hoffmann, D., Elisa, M., Weis, L., & FISCHBACH, A. (2023). Conclusion and Implications. In European Public School Report 2023: Preliminary Results on Student Population, Educational Trajectories, Mathematics Achievement, and Stakeholder Perceptions (pp. 150 - 162). Luxembourg: LUCET & SCRIPT. doi:10.48746/EPS2023-5

LENZ, T., BACKES, S., COLLING, J., ESCH, P., FISCHBACH, A., GEZER, E. T., GRUND, A., KELLER, U., & UGEN, S. (2023). European Public School Report 2023: Preliminary results on student population, educational trajectories, mathematics achievement, and stakeholder perceptions. Esch/Alzette, Luxembourg: Luxembourg Centre for Educational Testing (LUCET) & Service de Coordination de la Recherche et de l’Innovation pédagogiques et technologiques (SCRIPT). doi:10.48746/eps2023https://orbilu.uni.lu/handle/10993/55481

COLLING, J., GRUND, A., KELLER, U., ESCH, P., & UGEN, S. (2023). Mathematics Achievement at Primary and Secondary School Level: A Comparison Between Curricula. In European Public School Report 2023: Preliminary Results on Student Population, Educational Trajectories, Mathematics Achievement, and Stakeholder Perceptions (pp. 98 - 149). Luxembourg: LUCET & SCRIPT. doi:10.48746/EPS2023-4

UGEN, S., & LENZ, T. (2023). European Public School Report 2023 [Paper presentation]. Press Conference.

HILGER, V. A. J., UGEN, S., ROMANOVSKA, L., & SCHILTZ, C. (07 June 2023). Diagnosing specific learning disorder in mathematics in a multilingual education context [Poster presentation]. 6th Annual Conference of the Mathematical Cognition and Learning Society, Loughborough, United Kingdom.
Peer reviewed

HILGER, V. A. J., UGEN, S., ROMANOVSKA, L., & SCHILTZ, C. (22 May 2023). Specific learning disorder in mathematics in a multilingual education context - Diagnosing with language in mind [Paper presentation]. Advances in Nmerical Cognition Research - 11th Annual Meeting, Louvain-la-Neuve, Belgium.
Peer reviewed

MONTEIRO, S., HIPP, G., ESCH, P., & UGEN, S. (22 May 2023). The impact of cerebral visual impairment in school related competences in elementary school children [Paper presentation]. Vision Sciences Society (VSS), Florida, United States. doi:10.1167/jov.23.9.4889
Peer reviewed

HORNUNG, C., KAUFMANN, L. M., OTTENBACHER, M., WETH, C., WOLLSCHLÄGER, R., UGEN, S., & FISCHBACH, A. (2023). Early childhood education and care in Luxembourg. Attendance and associations with early learning performance. Esch-sur-Alzette, Luxembourg: Luxembourg Center of Educational Testing (LUCET). doi:10.48746/epstanalpha2023prhttps://orbilu.uni.lu/handle/10993/54926

Nuraydin, S., Stricker, J., UGEN, S., Martin, R., & Schneider, M. (2023). The Number Line Estimation Task is a Valid Tool for Assessing Mathematical Achievement: A Population-Level Study With 6,484 Luxembourgish Ninth-Graders. Journal of Experimental Child Psychology, 225 (105521), 1-19. doi:10.1016/j.jecp.2022.105521
Peer Reviewed verified by ORBi

Brucher, L. L. C., UGEN, S., MULLER, C., Cuntz, M., & WETH, C. (2023). Einfluss des Faktors Wortfrequenz auf die satzinterne Großschreibung bei Fünftklässler:innen. In I. Rautenberg & M. Bangel, Das Verhältnis zwischen Wissen und Können beim Lesen- und Schreibenlernen (pp. 63-82). Hohengehren, Germany: Schneider Verlag.
Peer reviewed

Mangelschots, K., UGEN, S., & WETH, C. (2023). Profiles of poor and good spellers in German noun capitalization. L1-Educational Studies in Language and Literature, 23. doi:10.21248/l1esll.2023.23.1.460
Peer reviewed

KLASEN, L., UGEN, S., DORDING, C., Fayol, M., & WETH, C. (2023). Do learners need semantics to spell syntactic markers? Plural spellings in real vs. pseudowords in a French L2 setting. Reading and Writing. doi:10.1007/s11145-023-10422-6
Peer reviewed

KIJAMET, D., KELLER, U., BOUALAM, R., & UGEN, S. (2023). The Impact of Test Language on Phonological Short-Term Memory (PSTM) in a Multilingual Setting: Digits vs. Nonwords [Poster presentation]. ESCOP 2023 - 23rd Conference of the European Society for Cognitive Psychology, Porto, Portugal.
Peer reviewed

ROMANOVSKA, L., UGEN, S., & PIT-TEN CATE, I. (10 November 2022). Development of a test battery to diagnose specific learning disorder in reading in a multilingual education context [Paper presentation]. LuxERA Conference 2022, Esch-sur-Alzette, Luxembourg.

MONTEIRO, S., ESCH, P., HIPP, G., & UGEN, S. (10 November 2022). Implementation of a large-scale functional vision screener in early childhood at a national level [Paper presentation]. LuxERA Conference 2022.

KIJAMET, D., & UGEN, S. (10 November 2022). Towards a fairer assessment of cognitive abilities in multilingual children [Paper presentation]. LuxERA Emerging Researchers’ Conference 2022, Esch-sur-Alzette, Luxembourg.

HILGER, V. A. J., UGEN, S., ROMANOVSKA, L., & SCHILTZ, C. (November 2022). Development of a test battery to diagnose specific learning disorder in mathematics in a multilingual education context [Paper presentation]. Luxembourg Educational Research Association Conference 2022, Esch-sur-Alzette, Luxembourg.

KIJAMET, D., & UGEN, S. (29 August 2022). Development of a fair cognitive test battery for multilingual and multicultural children [Poster presentation]. European Society for Cognitive Psychology (ESCoP), Lille, France.

FISCHBACH, A., COLLING, J., LEVY, J., PIT-TEN CATE, I., ROSA, C., KRÄMER, C., KELLER, U., GAMO, S., HORNUNG, C., SONNLEITNER, P., UGEN, S., ESCH, P., & WOLLSCHLÄGER, R. (2022). Findings from the ÉpStan National Education Monitoring against the Background of the COVID-19 Pandemic. ORBilu-University of Luxembourg. https://orbilu.uni.lu/handle/10993/51279. doi:10.48746/bb2021LU-EN-34

FISCHBACH, A., COLLING, J., KELLER, U., UGEN, S., ESCH, P., & WOLLSCHLÄGER, R. (2022). What is the impact of the COVID-19 pandemic on our education system? First insights from the November 2021 ÉpStan [Paper presentation]. Press Conference, Luxembourg.

FISCHBACH, A., COLLING, J., LEVY, J., PIT-TEN CATE, I., ROSA, C., KRÄMER, C., KELLER, U., GAMO, S., HORNUNG, C., SONNLEITNER, P., UGEN, S., ESCH, P., & WOLLSCHLÄGER, R. (2022). Findings from the ÉpStan National Education Monitoring against the Background of the COVID-19 Pandemic. Online Supplement. ORBilu-University of Luxembourg. https://orbilu.uni.lu/handle/10993/51281. doi:10.48746/bb2021LU-EN-34b

LENZ, T., BACKES, S., UGEN, S., & FISCHBACH, A. (2022). Ready for the future? – The third Education Report for Luxembourg (Supplement). ORBilu-University of Luxembourg. https://orbilu.uni.lu/handle/10993/51095. doi:10.48746/bb2021LU-EN-1

FISCHBACH, A., COLLING, J., LEVY, J., PIT-TEN CATE, I., ROSA, C., KRÄMER, C., KELLER, U., GAMO, S., HORNUNG, C., SONNLEITNER, P., UGEN, S., ESCH, P., & WOLLSCHLÄGER, R. (2021). Résultats du monitoring scolaire national ÉpStan dans le contexte de la pandémie de COVID-19 (Matériels supplémentaires). In LUCET & SCRIPT (Eds.), Rapport National sur l´Éducation au Luxembourg 2021. Esch-sur-Alzette, Luxembourg: University of Luxembourg. doi:10.48746/BB2021LU-FR-34B
Peer reviewed

FISCHBACH, A., COLLING, J., LEVY, J., PIT-TEN CATE, I., ROSA, C., KRÄMER, C., KELLER, U., GAMO, S., HORNUNG, C., SONNLEITNER, P., UGEN, S., ESCH, P., & WOLLSCHLÄGER, R. (2021). Befunde aus dem nationalen Bildungsmonitoring ÉpStan vor dem Hintergrund der COVID-19 Pandemie (Supplement). In LUCET & SCRIPT (Eds.), Nationaler Bildungsbericht Luxemburg 2021. Esch-sur-Alzette, Luxembourg: University of Luxembourg. doi:10.48746/bb2021lu-de-34b
Peer reviewed

FISCHBACH, A., COLLING, J., LEVY, J., PIT-TEN CATE, I., ROSA, C., KRÄMER, C., KELLER, U., GAMO, S., HORNUNG, C., SONNLEITNER, P., UGEN, S., ESCH, P., & WOLLSCHLÄGER, R. (2021). Befunde aus dem nationalen Bildungsmonitoring ÉpStan vor dem Hintergrund der COVID-19- Pandemie. In LUCET & SCRIPT (Eds.), Nationaler Bildungsbericht Luxemburg 2021 (pp. 141-157). Esch-sur-Alzette, Luxembourg: University of Luxembourg. doi:10.48746/bb2021lu-de-34a
Peer reviewed

FISCHBACH, A., COLLING, J., LEVY, J., PIT-TEN CATE, I., ROSA, C., KRÄMER, C., KELLER, U., GAMO, S., HORNUNG, C., SONNLEITNER, P., UGEN, S., ESCH, P., & WOLLSCHLÄGER, R. (2021). Résultats du monitoring scolaire national ÉpStan dans le contexte de la pandémie de COVID-19. In LUCET & SCRIPT (Eds.), Rapport national sur l’éducation au Luxembourg 2021 (pp. 141-157). Esch-sur-Alzette, Luxembourg: University of Luxembourg. doi:10.48746/bb2021lu-fr-34
Peer reviewed

MONTEIRO, S., ESCH, P., Hipp, G., & UGEN, S. (11 November 2021). Development of a screening tool for functional vision impairments in early childhood [Paper presentation]. LuxEra Emerging Researchers' Conference.

KIJAMET, D., & UGEN, S. (11 November 2021). Fair Assessment of Cognitive Abilities in Multilingual Children [Paper presentation]. LuxERA Emerging Researchers’ Conference 2021, University of Luxembourg, Luxembourg.

FISCHBACH, A., COLLING, J., LEVY, J., KELLER, U., UGEN, S., & WOLLSCHLÄGER, R. (November 2021). The Impact of the COVID-19 Pandemic on the Luxembourgish Education System: Differences between students based on background characteristics in elementary and secondary school [Paper presentation]. TREE Conference 2021, Bern, Switzerland.

MONTEIRO, S., ESCH, P., Hipp, G., & UGEN, S. (21 October 2021). Development of a large-scale screener for functional vision impairments in early childhood [Paper presentation]. Forum Annuel du GDR Vision, Lille, France.

FISCHBACH, A., COLLING, J., LEVY, J., KELLER, U., UGEN, S., ESCH, P., & WOLLSCHLÄGER, R. (2021). What has the COVID-19 crisis done to our education system? First insights from the November 2020 ÉpStan [Paper presentation]. Press Conference, Luxembourg.

UGEN, S., SCHILTZ, C., FISCHBACH, A., & PIT-TEN CATE, I. (Eds.). (2021). Lernstörungen im multilingualen Kontext: Diagnose und Hilfestellungen. Esch-sur-Alzette, Luxembourg: Melusina Press. doi:10.26298/bw1j-9202

UGEN, S., SCHILTZ, C., FISCHBACH, A., & PIT-TEN CATE, I. (2021). Einleitung: Lernstörungen im multilingualen Kontext – Eine Herausforderung. In S. UGEN, C. SCHILTZ, A. FISCHBACH, ... I. PIT-TEN CATE, Lernstörungen im multilingualen Kontext: Diagnose und Hilfestellungen (pp. 3-7). Esch-sur-Alzette, Luxembourg: Melusina Press. doi:10.26298/0bjn-ec67
Peer reviewed

FISCHER, J., KRÄMER, C., & UGEN, S. (2021). Lese- und Rechtschreibstörungen. In S. UGEN, C. SCHILTZ, A. FISCHBACH, ... I. PIT-TEN CATE, Lernstörungen im multilingualen Kontext. Diagnose und Hilfestellungen (pp. 9-24). Esch/Alzette, Luxembourg: Melusina Press. doi:10.26298/5vxz-f178
Peer reviewed

FISCHER, J., Pit-Ten Cate, I., & UGEN, S. (2021). Erweitertes Testinventar. In S. UGEN, C. SCHILTZ, A. FISCHBACH, ... I. PIT-TEN CATE, Lernstörungen im multilingualen Kontext. Diagnose und Hilfestellungen. Esch/Alzette, Luxembourg: Melusina Press. doi:10.26298/3jsn-sq24

Braeuning, D., HORNUNG, C., HOFFMANN, D., Lambert, K., UGEN, S., FISCHBACH, A., SCHILTZ, C., Hübner, N., Nagengast, B., & Moeller, K. (2021). Long-term Relevance and Interrelation of Symbolic and Non-symbolic Abilities in Mathematical-numerical Development: Evidence from Large-scale Assessment Data. Cognitive Development, 58, 101008. doi:10.1016/j.cogdev.2021.101008
Peer reviewed

LENZ, T., BACKES, S., UGEN, S., & FISCHBACH, A. (2021). Bereit für die Zukunft? Der dritte Bildungsbericht für Luxemburg. In LUCET & SCRIPT (Eds.), Nationaler Bildungsbericht Luxemburg 2021 (pp. 10-13). Esch-sur-Alzette, Luxembourg: University of Luxembourg.

MARTINI, S. F., SCHILTZ, C., FISCHBACH, A., & UGEN, S. (2021). Identifying Math and Reading Difficulties of Multilingual Children: Effects of Different Cut-offs and Reference Groups. In M. Herzog, E. Gürsoy, ... A. Fritz-Stratmann (Eds.), Diversity Dimensions in Mathematics and Language Learning. Perspectives on culture, education, and multilingualism (pp. 200-228). Berlin, Germany: De Gruyter. doi:10.1515/9783110661941-011
Peer reviewed

LENZ, T., BACKES, S., UGEN, S., & FISCHBACH, A. (2021). Prêt pour l’avenir ? Le troisième rapport sur l’éducation au Luxembourg. In LUCET & SCRIPT, Rapport national sur l’éducation au Luxembourg 2021 (pp. 10-13). Esch-sur-Alzette, Luxembourg: University of Luxembourg.

GEORGES, C., Hoffmann, D., HORNUNG, C., Muller, C., SONNLEITNER, P., SCHILTZ, C., & UGEN, S. (Eds.). (2021). LEARN Newsletter - Édition 2021. Esch-sur-Alzette, Luxembourg: LEARN.

GEORGES, C., HOFFMANN, D., HORNUNG, C., MULLER, C., SONNLEITNER, P., SCHILTZ, C., & UGEN, S. (Eds.). (2021). LEARN Newsletter - Editioun 2021. Esch-sur-Alzette, Luxembourg: LEARN.

WETH, C., UGEN, S., Fayol, M., & Natalia, B. (2021). Spelling patterns of plural marking and learning trajectories in French taught as a foreign language. Written Language and Literacy, 24 (1), 81-110. doi:10.1075/wll.00048.wet
Peer reviewed

MARTINI, S. F., KELLER, U., & UGEN, S. (November 2020). Is there a bilingual advantage in mathematics? [Paper presentation]. LuxERA Conference 2020.

HOFFMANN, D., Schmit, P., & UGEN, S. (2020). Le bilan de l'évaluation systémique de l'éducation a Luxembourg. ONQS. https://orbilu.uni.lu/handle/10993/44427

MARTINI, S. F., Saalbach, H., SCHILTZ, C., & UGEN, S. (June 2020). Switching language while solving math problems: Relation between language and math achievement on a bilingual math test [Paper presentation]. MCLS2020 (Conference canceled), Dublin, Ireland.

MARTINI, S. F., FISCHBACH, A., & UGEN, S. (24 January 2020). The Identification of Math and Reading Difficulties in a Multilingual Educational Setting [Paper presentation]. 1st GK Doctoral Symposium on Cognitive Science, Tuebingen, Germany.

Brucher, L. L. C., UGEN, S., & WETH, C. (2020). The impact of syntactic and lexical trainings on capitalization of nouns in German in grade five. L1-Educational Studies in Language and Literature, 20, 1-23. doi:10.17239/L1ESLL-2020.20.01.01
Peer reviewed

Preckel, F., FISCHBACH, A., Scherrer, V., Brunner, M., UGEN, S., Lipnevich, A. A., & Roberts, R. D. (2020). Circadian preference as a typology: Latent-class analysis of adolescents' morningness/eveningness, relation with sleep behavior, and with academic outcomes. Learning and Individual Differences, 78, 101725. doi:10.1016/j.lindif.2019.03.007
Peer reviewed

BILICI, N., UGEN, S., & WETH, C. (2020). The effect of a syntactic training on multilingual fifth graders' spelling patterns of noun capitalization in German. Writing Systems Research, 11 (2), 95-109. doi:10.1080/17586801.2020.1728011
Peer reviewed

MARTINI, S. F., FISCHBACH, A., & UGEN, S. (06 November 2019). Math and Reading Difficulties in a Multilingual Educational Setting [Paper presentation]. 1st Emerging Researchers' Conference of the Luxembourg Education Research Association (LuxERA), Esch-Belval, Luxembourg.

MARTINI, S. F., FISCHBACH, A., & UGEN, S. (September 2019). Math and Reading Difficulties in a Multilingual Educational Setting [Paper presentation]. Gemeinsame Tagung der Fachgruppen Entwicklungspsychologie und Pädagogische Psychologie (PaEpsy).

UGEN, S., LEVY, J., MARTINI, S. F., & FISCHBACH, A. (27 June 2019). Social and linguistic background influences on performance in a multilingual educational system [Paper presentation]. Kongress der Schweizerischen Gesellschaft für Bildungsforschung (SGBF), Basel, Switzerland.

WETH, C., BILICI, N., & UGEN, S. (05 April 2019). Morphosyntactic spelling German and French as second (written) languages in the Luxembourgish context [Paper presentation]. European COST Training school on spelling acquisition across languages, Esch/Alzette, Luxembourg.

UGEN, S. (05 April 2019). Grapheme spelling in different linguistic contexts [Paper presentation]. European COST Training School on Spelling Acquisition across Languages, Esch/Alzette, Luxembourg.

MARTINI, S. F., & UGEN, S. (16 December 2018). Language influence on ninth-graders’ mathematics performance in a multilingual educational setting [Paper presentation]. Conference on Multilingualism, Ghent, Belgium.

REICHERT, M., KRÄMER, C., WOLLSCHLÄGER, R., RIVAS, S., & UGEN, S. (2018). Lesegewohnheiten und bilinguale Lesekompetenzen - Zum Zusammenhang zwischen den Deutsch- und Französisch-Lesekompetenzen von Neuntklässlerinnen und Neuntklässlern und ihren außerschulischen Lesegewohnheiten in Luxemburg. Luxembourg: LUCET, SCRIPT. https://orbilu.uni.lu/handle/10993/38039

SONNLEITNER, P., KRÄMER, C., GAMO, S., REICHERT, M., MULLER, C., KELLER, U., & UGEN, S. (2018). Schülerkompetenzen im Längsschnitt - Die Entwicklung von Deutsch-Leseverstehen und Mathematik in Luxemburg zwischen der 3. und 9. Klasse. Esch-sur-Alzette, Luxembourg: Luxembourg Centre for Educational Testing, Universität Luxemburg - Service de Coordination de la Recherche et de l'Innovation pédagogiques et technologiques (SCRIPT). https://orbilu.uni.lu/handle/10993/38686

REICHERT, M., KRÄMER, C., WOLLSCHLÄGER, R., RIVAS, S., & UGEN, S. (2018). Habitudes de lecture et compétences de lecture bilingue. Luxembourg: LUCET, SCRIPT. https://orbilu.uni.lu/handle/10993/38042

MARTINI, S. F., & UGEN, S. (09 November 2018). Language Choice and Achievement on a Bilingual Math Test in German-French biliterate ninth-graders in Luxembourg [Paper presentation]. LuxERA, Esch-Belval, Luxembourg.

SONNLEITNER, P., KRÄMER, C., GAMO, S., REICHERT, M., MULLER, C., KELLER, U., & UGEN, S. (09 November 2018). Longitudinal development of students‘ competencies in Mathematics and German reading comprehension [Paper presentation]. 1st conference of the Luxembourg Educational Research Association.

REICHERT, M., KRÄMER, C., RIVAS, S., WOLLSCHLÄGER, R., & UGEN, S. (November 2018). Außerschulisches Lesen und Lesekompetenz Zum Zusammenhang zwischen den Deutsch- und Französisch- Lesekompetenzen von Neuntklässlerinnen und Neuntklässlern und ihren außerschulischen Lesegewohnheiten in Luxemburg [Paper presentation]. LuxERA Inaugural Conference, Esch-Belval, Luxembourg.

Klapproth, F., FISCHBACH, A., KELLER, U., & UGEN, S. (November 2018). Wie wirken sich Klassenwiederholungen in der Sekundarstufe 1 auf spätere Schulnoten aus? Eine Längsschnittanalyse [Paper presentation]. Inaugural Conference of the Luxembourg Educational Research Association LuxERA, Esch-sur-Alzette, Luxembourg.

Braeuning, D., HORNUNG, C., HOFFMANN, D., Lambert, K., UGEN, S., FISCHBACH, A., SCHILTZ, C., & Moeller, K. (September 2018). Differential association of symbolic and non-symbolic numerical abilities in children with and without MLD – Evidence from large scale assessment data [Poster presentation]. Biennial EARLI SIG 15 "Special Educational Needs" Conference, Potsdam, Germany.

MARTINI, S. F., & UGEN, S. (September 2018). Achievement and Language Choice on a Bilingual Math Test in German-French biliterate ninth-graders [Poster presentation]. Integrating Educational and Cognitive Perspectives on Mathematics, Tuebingen, Germany.

UGEN, S., BILICI, N., FAYOL, M., & WETH, C. (04 August 2018). Apprendre à écrire des informations orthographiques silencieuses en langue seconde : Effets d'un programme d'entraînement sur les performances et suivis intra- et interindividuel du développement des patterns de production du pluriel [Paper presentation]. 23e Journées Internationales de Psychologie Différentielle, Luxembourg, Luxembourg.

MARTINI, S. F., & UGEN, S. (August 2018). Language influence on mathematics achievement in German-French biliterate ninth graders [Paper presentation]. 9th Bi­en­nial Con­fer­ence of EARLI SIG1, Helsinki, Finland.

UGEN, S. (2018). L'évaluation du système scolaire par les "Épreuves Standardisées" au Luxembourg [Paper presentation]. Table ronde sur l'évaluation du système scolaire, Paris, France.

MARTINI, S. F., & UGEN, S. (April 2018). Language influence on mathematics achievement in French-German biliterate ninth graders [Poster presentation]. 1st Mathematical Cognition and Learning Society Conference, Oxford, United Kingdom.

FISCHBACH, A., & UGEN, S. (22 March 2018). ÜGK Mathematik 2016: Auditergebnisse / Évaluation des COFO en mathématiques 2016 : Résultats de l’audit [Paper presentation]. EDK Plenary Assembly, Bern, Switzerland.

FISCHBACH, A., & UGEN, S. (February 2018). Länderbericht Luxemburg [Paper presentation]. BELDACH‐Treffen, Eupen, Belgium.

REICHERT, M., KRÄMER, C., RIVAS, S., WOLLSCHLÄGER, R., & UGEN, S. (11 January 2018). Faut-il lire, et que faut-il lire, pour mieux savoir lire? La compréhension de textes parmi les adolescents: tentative d'explication des différences interindividuelles [Paper presentation]. 30ème colloque de l'ADMEE-EUROPE, Esch-Belval, Luxembourg.

GAMO, S., SONNLEITNER, P., HOFFMANN, D., HORNUNG, C., UGEN, S., KELLER, U., & FISCHBACH, A. (11 January 2018). Parcours scolaires et performance mathématique des élèves scolarisés au Luxembourg : Effet du contexte langagier et socio-économiques [Paper presentation]. 30 ème colloque de l'ADMEE-EUROPE, Esch-Belval, Luxembourg.

MARTINI, S. F., & UGEN, S. (January 2018). The influence of language and other background variables on mathematics achievement in Luxembourgish students [Poster presentation]. 2018 Budapest CEU Conference on Cognitive Development, Budapest, Hungary.

MARTINI, S. F., & UGEN, S. (January 2018). L’influence de la langue et d’autres variables de contexte sur la réussite en mathématiques chez les élèves luxembourgeois [Paper presentation]. 30e Colloque de l’ADMEE-Europe, Esch-sur-Alzette, Luxembourg.

SONNLEITNER, P., KRÄMER, C., GAMO, S., REICHERT, M., MULLER, C., KELLER, U., & UGEN, S. (2018). Évolution en compréhension écrite en allemand et en mathématiques entre la classe de 3e et la classe de 9e. Esch-sur-Alzette, Luxembourg: Luxembourg Centre for Educational Testing, Universität Luxemburg - Service de Coordination de la Recherche et de l'Innovation pédagogiques et technologiques (SCRIPT). https://orbilu.uni.lu/handle/10993/38684

REICHERT, M., KRÄMER, C., RIVAS, S., WOLLSCHLÄGER, R., & UGEN, S. (January 2018). Faut-il lire, et que faut-il lire, pour mieux savoir lire? [Paper presentation]. 30e colloque de l’ADMEE-Europe, Campus Belval de l’Université du Luxembourg, Luxembourg.

FISCHBACH, A., & UGEN, S. (2018). ÜGK/COFO mathematics 2016 audit report. Commissioned by EDK/CDIP upon the request of KOSTA HarmoS. https://orbilu.uni.lu/handle/10993/35354

LENZ, T., BAUMANN, I. E., UGEN, S., & FISCHBACH, A. (2018). Bildungsverläufe, Mehrsprachigkeit und ein Ausblick auf die Zukunft. Der zweite Bildungsbericht für Luxemburg. In Lucet & Script, Nationaler Bildungsbericht Luxembourg 2018 (pp. 8-11). Luxembourg: Universität Luxemburg.

LENZ, T., BAUMANN, I. E., UGEN, S., & FISCHBACH, A. (2018). Parcours éducatifs, multilinguisme et perspectives. Le deuxième rapport national sur l'éducation. In LUCET & SCRIPT, Rapport National sur L'Éducation au Luxembourg 2018 (pp. 8-11). Université du Luxembourg.

BILICI, N., UGEN, S., FAYOL, M., & WETH, C. (2018). The Effect of Morphosyntactic Training on Multilingual Fifth-Graders' Spelling in French. Applied Psycholinguistics, 39 (6), 1319-1343. doi:10.1017/S0142716418000346
Peer Reviewed verified by ORBi

GEORGES, C., HOFFMANN, D., HORNUNG, C., MARTIN, R., MULLER, C., SCHILTZ, C., SCHULLER, A.-M., & UGEN, S. (Eds.). (2018). LEARN Newsletter - Editioun 2018. Esch/Alzette, Luxembourg: LEARN.

GEORGES, C., HOFFMANN, D., HORNUNG, C., MARTIN, R., MULLER, C., SCHILTZ, C., SCHULLER, A.-M., & UGEN, S. (Eds.). (2018). LEARN Newsletter - Édition 2018. Esch/Alzette, Luxembourg: LEARN.

Nurayadin, S., UGEN, S., Martin, R., & Schneider, M. (September 2017). Zusammenhänge zwischen Zahlenstrahlschätzfähigkeit, Mathematikleistung und Schülercharakteristika: Eine Vollerhebung mit 6484 Luxemburgischen Neuntklässlern [Paper presentation]. GEMEINSAME TAGUNG DER FACHGRUPPEN ENTWICKLUNGSPSYCHOLOGIE UND PÄDAGOGISCHE PSYCHOLOGIE 2017, Münster, Germany.

BILICI, N., UGEN, S., FAYOL, M., & WETH, C. (26 June 2017). The effect of training morphosyntactic markers in German and in French on multilingual fifth-graders' spelling [Paper presentation]. International Symposium for Educational Literacy, Ajaccio, France.

UGEN, S., & Keipes, B. (24 May 2017). Fërderung bei Lies- a Rechtschreifschwieregkeeten: Beispiller aus der Praxis [Paper presentation]. MecreDYS, Belval, Luxembourg.

UGEN, S., & FISCHBACH, A. (February 2017). 15 Jahre PISA: Eine Bilanz für Luxemburg. Forum: Gespaltenes Land, 370, p. 11-14.

UGEN, S., MARTIN, R., & FISCHBACH, A. (Eds.). (2017). Les Épreuves Standardisées : Comment sont-elles perçues par les acteurs concernés  ? Esch/Alzette, Luxembourg: University of Luxembourg: LUCET.

HOFFMANN, D., HORNUNG, C., MARTIN, R., SCHILTZ, C., SCHULLER, A.-M., & UGEN, S. (Eds.). (2017). LEARN Newsletter - Éditioun 2017: Multilinguisme. Esch/Alzette, Luxembourg: LEARN.

DIERENDONCK, C., MILMEISTER, M., MILMEISTER, P., WEIS, C., UGEN, S., FISCHBACH, A., & MARTIN, R. (2017). Vers une démarche d’assurance-qualité pour les Épreuves Standardisées. In S. UGEN, R. MARTIN, ... A. FISCHBACH (Eds.), Les Épreuves Standardisées : Comment sont-elles perçues par les acteurs concernés  ? (pp. 5-7). Esch/Alzette, Luxembourg: University of Luxembourg: LUCET.

Pelt, V., UGEN, S., MILMEISTER, M., WEIS, C., & KREIS, Y. (2017). Évaluation du Projet pilote : Le Cours de Mathématiques en Allemand au Maacher Lycée. Rapport détaillé. Année 1. Luxembourg: MENJE/SCRIPT. https://orbilu.uni.lu/handle/10993/35611

Pelt, V., UGEN, S., MILMEISTER, M., WEIS, C., & KREIS, Y. (2017). Évaluation du projet d’innovation pédagogique : L’allemand comme langue véhiculaire dans le cours de mathématiques au cycle inférieur de l’EST à l’ALR. Rapport détaillé. Année 1. Luxembourg: MENJE/SCRIPT. https://orbilu.uni.lu/handle/10993/35612

HOFFMANN, D., HORNUNG, C., MARTIN, R., SCHILTZ, C., SCHULLER, A.-M., & UGEN, S. (Eds.). (2017). LEARN Newsletter - Editioun 2017: Méisproochegkeet. Esch/Alzette, Luxembourg: LEARN.

UGEN, S. (2016). Sproochepolitik: Et gëtt keng einfach Léisungen [Paper presentation]. Radio 100.7: Round Table on Multilingualsim, Luxembourg, Luxembourg.

UGEN, S., & FISCHBACH, A. (November 2016). Länderbericht Luxemburg [Paper presentation]. BELDACH‐Treffen, Berlin, Germany.

UGEN, S., & FISCHBACH, A. (November 2016). Online Assessment SYStem OASYS [Paper presentation]. BELDACH‐Treffen, Berlin, Germany.

BILICI, N., UGEN, S., & WETH, C. (20 September 2016). Reflexion über morphosyntaktische Strukturen im Deutschen und Französischen und deren Einfluss auf die Rechtschreibkompetenzen von 5.-Klässlern [Paper presentation]. Symposion Deutschdidaktik, Ludwigsburg, Germany.

BILICI, N., UGEN, S., & WETH, C. (July 2016). The effect of a French intervention on children´s spelling of morphosyntactic agreement [Poster presentation]. SIG Writing Conference and Research in Liverpool, Liverpool, United Kingdom.

UGEN, S., BILICI, N., FAYOL, M., Funke, R., & WETH, C. (12 March 2016). Assessing spelling skills related to morphosyntax of German-French biliterate pupils in a multilingual educational context [Poster presentation]. 10th AWLL international workshop on writing systems and literacy.

DIERENDONCK, C., MILMEISTER, M., MILMEISTER, P., WEIS, C., FISCHBACH, A., UGEN, S., & MARTIN, R. (January 2016). L’implication des élèves lors d’évaluations externes à faibles enjeux : Le cas de l’évaluation « Épreuves Standardisées » au Luxembourg [Paper presentation]. 28ème colloque de l’ADMEE‐Europe, Lisbon, Portugal.

UGEN, S., KELLER, U., LORPHELIN, D., Boehm, B., & FISCHBACH, A. (2016). Befunde zum Luxemburger Regelschulwesen. In SCRIPT & LUCET (Eds.), PISA 2015. Nationaler Bericht Luxemburg. Luxembourg, Unknown/unspecified: MENJE.

Boehm, B., Krug, A., Mergen, C., KELLER, U., LORPHELIN, D., FISCHBACH, A., & UGEN, S. (2016). Die PISA-Studie 2015. In SCRIPT & LUCET (Eds.), PISA 2015. Nationaler Bericht Luxemburg. Luxembourg, Unknown/unspecified: MENJE.

Boehm, B., FISCHBACH, A., KELLER, U., LORPHELIN, D., & UGEN, S. (2016). Luxemburg im internationalen Vergleich. In SCRIPT & LUCET (Eds.), PISA 2015. Nationaler Bericht Luxemburg. Luxembourg, Unknown/unspecified: MENJE.

Van Rinsveld, A., SCHILTZ, C., Landerl, K., Brunner, M., & UGEN, S. (2016). Speaking two languages with different number naming systems: What implications for magnitude judgments in bilinguals at different stages of language acquisition? Cognitive Processing, 17 (3), 225-41. doi:10.1007/s10339-016-0762-9
Peer Reviewed verified by ORBi

VAN RINSVELD, A., SCHILTZ, C., Brunner, M., Landerl, K., & UGEN, S. (2016). Solving arithmetic problems in first and second language: Does the language context matter? Learning and instruction. doi:10.1016/j.learninstruc.2016.01.003
Peer reviewed

MARTIN, R., UGEN, S., & FISCHBACH, A. (2016). Les inégalités dans les parcours scolaires au Luxembourg. In Caritas (Ed.), Sozialalmanach 2016. Schwerpunkt: Inegalitéiten (pp. 271-286). Luxembourg, Luxembourg: Caritas.

FISCHBACH, A., UGEN, S., & MARTIN, R. (2016). Un bilan au terme de deux cycles complets d'évaluation. In SCRIPT & LUCET (Eds.), PISA 2015. Rapport national Luxembourg (pp. 13-21). Luxembourg, Unknown/unspecified: MENJE.

FISCHBACH, A., UGEN, S., & MARTIN, R. (2016). Bilanz nach zwei vollen Erhebungszyklen. In SCRIPT & LUCET (Eds.), PISA 2015. Nationaler Bericht Luxemburg (pp. 13-19). Luxembourg, Unknown/unspecified: MENJE.

Boehm, B., UGEN, S., FISCHBACH, A., KELLER, U., & LORPHELIN, D. (2016). Zusammenfassung der Ergebnisse in Luxemburg. In SCRIPT & LUCET (Eds.), PISA 2015. Nationaler Bericht Luxemburg (pp. 4-12). Luxembourg, Unknown/unspecified: MENJE.

Boehm, B., UGEN, S., FISCHBACH, A., KELLER, U., & LORPHELIN, D. (2016). Résumé des résultats au Luxembourg. In SCRIPT & LUCET (Eds.), PISA 2015. Rapport national Luxembourg (pp. 4-12). Luxembourg, Unknown/unspecified: MENJE.

Klapproth, F., SCHALTZ, P., Brunner, M., KELLER, U., FISCHBACH, A., UGEN, S., & MARTIN, R. (2016). Short-term and medium-term effects of grade retention in secondary school on academic achievement and psychosocial outcome variables. Learning and Individual Differences, 50, 182-194. doi:10.1016/j.lindif.2016.08.014
Peer reviewed

HU, A., REICHERT, M., HANSEN-PAULY, M.-A., & UGEN, S. (2015). Mehrsprachigkeit im luxemburgischen Sekundarschulwesen. Luxembourg, Luxembourg: Ministère de l'Éducation nationale, de l'Enfance et de la Jeunesse, SCRIPT - Université du Luxembourg. https://orbilu.uni.lu/handle/10993/20967

DIERENDONCK, C., Kafaï, A., FISCHBACH, A., MARTIN, R., & UGEN, S. (May 2015). Les Épreuves Standardisées: Élément-clé du pilotage du système éducatif luxembourgeois. Éducation & Formations, 86-87, 61-81.
Peer reviewed

VAN RINSVELD, A., BRUNNER, M., Landerl, K., SCHILTZ, C., & UGEN, S. (March 2015). The relation between language and arithmetic in bilinguals: insights from different stages of language acquisition. Frontiers in Psychology, 6, 265. doi:10.3389/fpsyg.2015.00265
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Klapproth, F., SCHALTZ, P., Brunner, M., KELLER, U., FISCHBACH, A., UGEN, S., & MARTIN, R. (March 2015). Kurz- und mittelfristige Effekte von Klassenwiederholungen in der luxemburgischen Sekundarstufe I auf die leistungsbezogene und psychoemotionale Entwicklung der Schülerinnen und Schüler [Paper presentation]. 3. Tagung der Gesellschaft für Empirische Bildungsforschung, Bochum, Germany.

DIERENDONCK, C., MILMEISTER, M., MILMEISTER, P., WEIS, C., REICHERT, M., UGEN, S., KELLER, U., SONNLEITNER, P., & MARTIN, R. (2015). Mise en place d’une démarche qualité pour le dispositif ÉpStan. In R. MARTIN, S. UGEN, ... A. FISCHBACH (Eds.), Épreuves Standardisées: Bildungsmonitoring für Luxemburg. Nationaler Bericht 2011 bis 2013 (pp. 98-109). Esch/ Alzette, Unknown/unspecified: University of Luxembourg, LUCET.

MARTIN, R., UGEN, S., & FISCHBACH, A. (Eds.). (2015). Épreuves Standardisées: Bildungsmonitoring für Luxemburg. Nationaler Bericht 2011 bis 2013. Esch/Alzette, Unknown/unspecified: University of Luxembourg, LUCET.

UGEN, S., FISCHBACH, A., REICHERT, M., DIERENDONCK, C., & MARTIN, R. (2015). Épreuves Standardisées : Objectifs et méthodologie. In R. MARTIN, S. UGEN, ... A. FISCHBACH (Eds.), Épreuves Standardisées: Bildungsmonitoring für Luxemburg. Nationaler Bericht 2011 bis 2013 (pp. 6-21). Esch/Alzette, Unknown/unspecified: University of Luxembourg, LUCET.

MARTIN, R., UGEN, S., & FISCHBACH, A. (2015). Herausforderungen und Perspektiven: Erfolgreich mit Heterogenität umgehen. In R. MARTIN, S. UGEN, ... A. FISCHBACH (Eds.), Épreuves Standardisées: Bildungsmonitoring für Luxemburg. Nationaler Bericht 2011 bis 2013 (pp. 86-96). Esch/Alzette, Unknown/unspecified: University of Luxembourg, LUCET.

FISCHBACH, A., LORPHELIN, D., KELLER, U., UGEN, S., VILLANYI, D., & MARTIN, R. (2015). Unterschiede zwischen Schullaufbahnen. In R. MARTIN, S. UGEN, ... A. FISCHBACH (Eds.), Épreuves Standardisées: Bildungsmonitoring für Luxemburg. Nationaler Bericht 2011 bis 2013 (pp. 72-84). Esch/Alzette, Unknown/unspecified: University of Luxembourg, LUCET.

HORNUNG, C., HOFFMANN, D., LORPHELIN, D., GAMO, S., UGEN, S., FISCHBACH, A., & MARTIN, R. (2015). Allgemeine Befunde zum luxemburgischen Schulwesen. In R. MARTIN, S. UGEN, ... A. FISCHBACH (Eds.), Épreuves Standardisées: Bildungsmonitoring für Luxemburg. Nationaler Bericht 2011 bis 2013 (pp. 22-32). Esch/Alzette, Unknown/unspecified: University of Luxembourg, LUCET.

KELLER, U., Preckel, F., Strobel, A., FISCHBACH, A., UGEN, S., VILLANYI, D., & MARTIN, R. (September 2014). Konstruktion und Validierung einer domänenspezifischen Need for Cognition-Skala [Paper presentation]. 49. Kongress der Deutschen Gesellschaft für Psychologie, Bochum, Germany.

VAN RINSVELD, A., SCHILTZ, C., & UGEN, S. (April 2014). The effect of languages on the production and recognition of numbers in German-French bilinguals [Poster presentation]. Cognitive Neuroscience Society annual meeting.

SONNLEITNER, P., GAMO, S., HORNUNG, C., FISCHBACH, A., DIERENDONCK, C., UGEN, S., KELLER, U., LORPHELIN, D., & MARTIN, R. (April 2014). Assessing Mathematical Competencies within the Luxembourgish School Monitoring Program: Covering the range from 1st to 9th grade [Paper presentation]. 6th Expert Meeting on Mathematical Thinking and Learning, Leiden, Netherlands.

MARTIN, R., KELLER, U., REICHERT, M., DIERENDONCK, C., UGEN, S., & FISCHBACH, A. (January 2014). Befunde zu den Herausforderungen des luxemburgischen Schulsystems aus Sicht verschiedener large-scale Studien [Paper presentation]. Scientific exchange, Kiel, Germany.

KELLER, U., UGEN, S., VILLANYI, D., & FISCHBACH, A. (January 2014). Need for Cognition: Messinvarianz, Domänenspezifität, Stabilität und prädiktive Validität [Paper presentation]. Scientific exchange, Kiel, Germany.

SONNLEITNER, P., REICHERT, M., & UGEN, S. (2014). Item Development and Test Compilation. In A. FISCHBACH, S. UGEN, ... R. MARTIN (Eds.), ÉpStan Technical Report (pp. 5-11). Luxembourg, Luxembourg: University of Luxembourg.

SCHILTZ, C., VAN RINSVELD, A., & UGEN, S. (2014). Language influences number processing: the case of bilingual Luxembourg [Paper presentation]. 12th Biannual Conference of the German Cognitive Science Society, Tübingen, Germany.

MARTIN, R., GREIFF, S., FISCHBACH, A., & UGEN, S. (2014). Kompetenzmessung im Bildungsbereich. In G. STEFFGEN, G. Michaux, ... D. FERRING (Eds.), Psychologie in Luxemburg - Ein Handbuch (Editions Guy Binsfeld, pp. 241-247). Luxembourg, Luxembourg: University of Luxembourg/Société Luxembourgeoise de Psychologie A.s.b.l.

FISCHBACH, A., UGEN, S., MULLER, C., HORNUNG, C., HOFFMANN, D., & MARTIN, R. (January 2014). Istzustand und Ausbau der Épreuves Standardisées (ÉpStan) [Paper presentation]. Scientific exchange, Kiel, Germany.

FISCHBACH, A., UGEN, S., & MARTIN, R. (Eds.). (2014). ÉpStan Technical Report. Luxembourg, Luxembourg: University of Luxembourg.

Gogol, K., Brunner, M., Goetz, T., MARTIN, R., UGEN, S., KELLER, U., FISCHBACH, A., & Preckel, F. (2014). "My questionnaire is too long!" The assessments of motivational-affective constructs with three-item and single-item measures. Contemporary Educational Psychology, 39 (3), 188-205. doi:10.1016/j.cedpsych.2014.04.002
Peer reviewed

ENGEL DE ABREU, P., SCHILTZ, C., HOFFMANN, D., MARTIN, R., UGEN, S., SCHULLER, A.-M., & HORNUNG, C. (2013). LEARN stellt sech fier. ORBilu-University of Luxembourg. https://orbilu.uni.lu/handle/10993/14663.

DIERENDONCK, C., SONNLEITNER, P., UGEN, S., KELLER, U., FISCHBACH, A., & MARTIN, R. (August 2013). La mesure de la motivation et de l'effort des élèves dans le cadre des épreuves standardisées au Luxembourg [Paper presentation]. Congrès AREF 2013.

VAN RINSVELD, A., BRUNNER, M., Landerl, K., SCHILTZ, C., & UGEN, S. (May 2013). The influence of language on exact additions in bilinguals [Paper presentation]. Belgian Association for Psychology annual meeting, Louvain-la-Neuve, Belgium.

VAN RINSVELD, A., BRUNNER, M., Landerl, K., SCHILTZ, C., & UGEN, S. (April 2013). The influence of language on exact additions in bilingual adults [Poster presentation]. 20th meeting of the Cognitive Neuroscience Society, San Francisco, United States.

VAN RINSVELD, A., BRUNNER, M., Landerl, K., SCHILTZ, C., & UGEN, S. (March 2013). The influence of language on exact additions in bilingual pupils and adults [Poster presentation]. 5th annual expert meeting on mathematical thinking and learning of the Netherlands, Belgium, and Luxembourg, Luxembourg.

MARTIN, R., FISCHBACH, A., KELLER, U., UGEN, S., DIERENDONCK, C., & Böhm, B. (2013). Herausforderungen und Perspektiven. In SCRIPT & EMACS (Eds.), PISA 2012. Nationaler Bericht Luxemburg (pp. 160-171). Luxembourg, Unknown/unspecified: MENFP.

REICHERT, M., MULLER, C., WROBEL, G., LORPHELIN, D., UGEN, S., FISCHBACH, A., Böhm, B., & MARTIN, R. (2013). Kompetenzerwerb in Bezug auf das sozioökonomische und kulturelle Umfeld. In SCRIPT & EMACS (Eds.), PISA 2012. Nationaler Bericht Luxemburg (pp. 62-77). Luxembourg, Unknown/unspecified: MENFP.

UGEN, S., MARTIN, R., Böhm, B., REICHERT, M., LORPHELIN, D., & FISCHBACH, A. (2013). Einfluss des Sprachhintergrundes auf Schülerkompetenzen. In SCRIPT & EMACS (Eds.), PISA 2012. Nationaler Bericht Luxemburg (pp. 100-113). Luxembourg, Unknown/unspecified: MENFP.

KELLER, U., SONNLEITNER, P., VILLANYI, D., FISCHBACH, A., LORPHELIN, D., UGEN, S., Böhm, B., & MARTIN, R. (2013). Unterschiede zwischen Schulformen und das Pilotprojekt PROCI. In SCRIPT & EMACS (Eds.), PISA 2012. Nationaler Bericht Luxemburg (pp. 88-99). Luxembourg, Unknown/unspecified: MENFP.

Böhm, B., UGEN, S., FISCHBACH, A., MARTIN, R., Kafaï, A., Bertemes, J., & Lanners, M. (2013). PISA 2012 – Ziele der Studie und methodische Grundlagen. In SCRIPT & EMACS (Eds.), PISA 2012. Nationaler Bericht Luxemburg (pp. 7-34). Luxembourg, Unknown/unspecified: MENFP.

Böhm, B., FISCHBACH, A., UGEN, S., MULLER, C., REICHERT, M., SONNLEITNER, P., KELLER, U., Bertemes, J., & MARTIN, R. (2013). Luxemburger Schülerinnen und Schüler im internationalen Vergleich. In SCRIPT & EMACS (Eds.), PISA 2012. Nationaler Bericht Luxemburg (pp. 37-58). Luxembourg, Unknown/unspecified: MENFP.

HORNUNG, C., HOFFMANN, D., LORPHELIN, D., FISCHBACH, A., UGEN, S., VILLANYI, D., Böhm, B., & MARTIN, R. (2013). Mädchen und Jungen. In SCRIPT & EMACS (Eds.), PISA 2012. Nationaler Bericht Luxemburg (pp. 78-87). Luxembourg, Unknown/unspecified: MENFP.

WROBEL, G., DIERENDONCK, C., FISCHBACH, A., UGEN, S., HOFFMANN, D., HORNUNG, C., GAMO, S., Böhm, B., & MARTIN, R. (2013). Zusammenfassung der Ergebnisse von PISA 2012 / Synthèse des résultats de PISA 2012. In SCRIPT & EMACS (Eds.), PISA 2012. Nationaler Bericht Luxemburg (pp. 123-127). Luxembourg, Unknown/unspecified: MENFP.

ENGEL DE ABREU, P., SCHILTZ, C., HOFFMANN, D., HORNUNG, C., MARTIN, R., SCHULLER, A.-M., & UGEN, S. (2012). LEARN stellt sech fier. ORBilu-University of Luxembourg. https://orbilu.uni.lu/handle/10993/14664.

UGEN, S., VAN RINSVELD, A., SCHILTZ, C., Landerl, K., & Brunner, M. (17 July 2012). The effect of language and mode on two-digit magnitude judgments in German-French bilingual adults [Paper presentation]. Workshop “Making Sense of Numbers”, Oxford, United Kingdom.

VAN RINSVELD, A., UGEN, S., SCHILTZ, C., Landerl, K., & Brunner, M. (May 2012). How does language affect numerical processing? The role of the teaching language on two-digit magnitude judgments in German-French bilingual 7- to-11 graders [Poster presentation]. Meeting of the EARLI SIG 22- 2012 Neuroscience and education.

VAN RINSVELD, A., UGEN, S., SCHILTZ, C., Landerl, K., & Brunner, M. (February 2012). The effect of number syntax on two-digit magnitude judgments in German-French bilinguals [Poster presentation]. 4th Expert meeting on Mathematical Thinking and Learning of the Netherlands, Belgium, and Luxembourg, Leuven, Belgium.

BRUNNER, M., FISCHBACH, A., REICHERT, M., UGEN, S., DIERENDONCK, C., KELLER, U., & MARTIN, R. (2012). Épreuves Standardisées: Ziele und methodische Grundlagen. In R. MARTIN & M. Brunner (Eds.), Épreuves Standardisées. Nationaler Bericht 2011‐2012 (pp. 4-35). Luxembourg: University of Luxembourg, EMACS.

MARTIN, R., UGEN, S., FISCHBACH, A., MULLER, C., & BRUNNER, M. (2012). Schlussfolgerungen. In R. MARTIN & M. Brunner (Eds.), Épreuves Standardisées. Nationaler Bericht 2011‐2012 (pp. 98-118). Luxembourg: University of Luxembourg, EMACS.

MULLER, C., REICHERT, M., UGEN, S., KELLER, U., & BRUNNER, M. (2012). Befunde zum Migrationshintergrund und zum sozio-ökonomischen Familienhintergrund. In R. Martin & M. Brunner (Eds.), Épreuves Standardisées. Nationaler Bericht 2011-2012 (pp. 54-87). Luxembourg: University of Luxembourg, EMACS.

VAN RINSVELD, A., UGEN, S., SCHILTZ, C., Landerl, K., & Brunner, M. (2012). The impact of language on concrete magnitude judgments from unbalanced bilingual 7-to-11graders to balanced bilingual adults in German and French [Paper presentation]. Annual Meeting of the Belgian Association for Psychological Science – BAPS-SEPEX joint meeting.

UGEN, S., BRUNNER, M., FISCHBACH, A., KELLER, U., REICHERT, M., DIERENDONCK, C., Artelt, C., & MARTIN, R. (July 2011). Reading comprehension strategies of biliterate students in German and French [Paper presentation]. 18th Annual SSSR Meeting, St. Pete Beach, Florida, United States.

BODÉ, S., Serres, J., & UGEN, S. (2011). Similarities and differences of Luxembourgish and Romanophone 12 year olds' spelling strategies in German and in French. In B. AREND & J.-J. WEBER, Penser l'éducation de demain. Etudes en l'honneur de Dominique Portante (pp. 147-164). Editions Phi.
Peer reviewed

BRUNNER, M., KELLER, U., DIERENDONCK, C., REICHERT, M., FISCHBACH, A., UGEN, S., & MARTIN, R. (September 2010). Ein neues Strukturmodell akademischer Selbstkonzepte: Das nested Marsh/Shavelson Modell [Paper presentation]. 47. Kongress der Deutschen Gesellschaft für Psychologie, Bremen, Germany.

REICHERT, M., UGEN, S., FISCHBACH, A., KELLER, U., & BRUNNER, M. (September 2010). Evaluation von Plurilingualität in einer multilingualen Gesellschaft: bloße Herausforderung und/oder Chance? [Paper presentation]. 3. Bundeskongress des GMF, Augsburg, Germany.

UGEN, S., BRUNNER, M., DIERENDONCK, C., FISCHBACH, A., REICHERT, M., KELLER, U., Boehm, B., & MARTIN, R. (2010). Kompetenzerwerb in Bezug auf das kulturelle und sozio‐ökonomische Umfeld. In SCRIPT & EMACS (Eds.), PISA 2009. Nationaler Bericht Luxemburg (pp. 41-54). Luxembourg, Unknown/unspecified: MENFP.

BRUNNER, M., KELLER, U., DIERENDONCK, C., REICHERT, M., UGEN, S., FISCHBACH, A., & MARTIN, R. (2010). The structure of academic self-concepts revisited: The nested Marsh/Shavelson model. Journal of Educational Psychology, 102 (4), 964-981. doi:10.1037/a0019644
Peer Reviewed verified by ORBi

DIERENDONCK, C., MARTIN, R., Bertemes, J., Lanners, M., & UGEN, S. (2010). Implications pour le système scolaire luxembourgeois. In SCRIPT & EMACS (Eds.), PISA 2009. Nationaler Bericht Luxemburg. Luxembourg, Unknown/unspecified: MENFP.

Boehm, B., BRUNNER, M., DIERENDONCK, C., FISCHBACH, A., KELLER, U., MARTIN, R., REICHERT, M., UGEN, S., & Lanners, M. (2010). Luxemburger Schülerinnen und Schüler im internationalen Vergleich. In SCRIPT & EMACS (Eds.), PISA 2009. Nationaler Bericht Luxemburg (pp. 29-40). Luxembourg, Unknown/unspecified: MENFP.

BRUNNER, M., UGEN, S., DIERENDONCK, C., FISCHBACH, A., KELLER, U., REICHERT, M., Boehm, B., & MARTIN, R. (2010). Jungen und Mädchen. In SCRIPT & EMACS (Eds.), PISA 2009. Nationaler Bericht Luxemburg (pp. 55-64). Luxembourg, Unknown/unspecified: MENFP.

Boehm, B., BRUNNER, M., DIERENDONCK, C., FISCHBACH, A., KELLER, U., MARTIN, R., REICHERT, M., & UGEN, S. (2010). Zusammenfassung der Ergebnisse von PISA 2009. In SCRIPT & EMACS (Eds.), PISA 2009. Nationaler Bericht Luxemburg (pp. 105-106). Luxembourg, Unknown/unspecified: MENFP.

BODÉ, S., Serres, J., & UGEN, S. (2009). Similarities and differences of Luxembourgish and Romanophone 12 year old's spelling strategies in German and in French. Written Language and Literacy, 12 (1), 82-96. doi:10.1075/wll.12.1.04bod
Peer reviewed

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