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See detailUser Experience Design for E-Voting: How mental models align with security mechanisms
Zollinger, Marie-Laure UL; Distler, Verena UL; Roenne, Peter UL et al

in Electronic Voting (2019, October)

This paper presents a mobile application for vote-casting and vote-verification based on the Selene e-voting protocol and explains how it was developed and implemented using the User Experience Design ... [more ▼]

This paper presents a mobile application for vote-casting and vote-verification based on the Selene e-voting protocol and explains how it was developed and implemented using the User Experience Design process. The resulting interface was tested with 38 participants, and user experience data was collected via questionnaires and semi-structured interviews on user experience and perceived security. Results concerning the impact of displaying security mechanisms on UX were presented in a complementary paper. Here we expand on this analysis by studying the mental models revealed during the interviews and compare them with theoretical security notions. Finally, we propose a list of improvements for designs of future voting protocols. [less ▲]

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See detailSecurity – Visible, Yet Unseen? How Displaying Security Mechanisms Impacts User Experience and Perceived Security
Distler, Verena UL; Zollinger, Marie-Laure UL; Lallemand, Carine UL et al

in Proceedings of ACM CHI Conference on Human Factors in Computing Systems (CHI2019) (2019, April)

An unsolved debate in the field of usable security concerns whether security mechanisms should be visible, or blackboxed away from the user for the sake of usability. However, tying this question to ... [more ▼]

An unsolved debate in the field of usable security concerns whether security mechanisms should be visible, or blackboxed away from the user for the sake of usability. However, tying this question to pragmatic usability factors only might be simplistic. This study aims at researching the impact of displaying security mechanisms on user experience (UX) in the context of e-voting. Two versions of an e-voting application were designed and tested using a between-group experimental protocol (N=38). Version D displayed security mechanisms, while version ND did not reveal any security-related information. We collected data on UX using standardised evaluation scales and semi-structured interviews. Version D performed better overall in terms of UX and need fulfilment. Qualitative analysis of the interviews gives further insights into factors impacting perceived security. Our study adds to existing research suggesting a conceptual shift from usability to UX and discusses implications for designing and evaluating secure systems. [less ▲]

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See detailArt in Rich-Prospect: Evaluating Next-Generation User Interfaces for Cultural Heritage
Morse, Christopher UL; Koenig, Vincent UL; Lallemand, Carine UL et al

in Morse, Christopher; Koenig, Vincent; Lallemand, Carine (Eds.) et al MW2019: Museums and the Web, Boston 2-6 April 2019 (2019, March)

The present study reports on the user experience (UX) of rich-prospect browsing, an emerging interface design trend for digital cultural heritage. Building on research that suggests online museum ... [more ▼]

The present study reports on the user experience (UX) of rich-prospect browsing, an emerging interface design trend for digital cultural heritage. Building on research that suggests online museum collections are used only infrequently by the general public, this study investigates the role of next-generation user interfaces in the design of optimal browsing experiences. Moreover, it describes the results of user testing for three different arts and culture collections that make use of rich-prospect. The study recruited 30 participants of varying ages, nationalities, and museum visiting habits to discuss their museum experiences and test three different applications: Coins, Curator Table, and Museum of the World. The results of the study provide insights into the user experience of a new browsing medium and reveal the information-seeking habits and patterns that occurred within these information environments. Moreover, the study isolated the core features of rich-prospect in order to define opportunities and pain points during the browsing experience and indicated which features in particular are most important to people during the browsing experience. Finally, we suggest some best practices going forward in the design of rich-prospect. [less ▲]

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See detailMéthodes de design UX : 30 méthodes fondamentales pour concevoir des expériences optimales
Lallemand, Carine UL; Gronier, Guillaume

Book published by Eyrolles - 2nd ed. (2018)

Découvrir les méthodes de conception et d’évaluation de l’expérience utilisateur ? Savoir sélectionner les méthodes les plus adaptées à votre projet ? Comprendre chaque méthode et savoir comment ... [more ▼]

Découvrir les méthodes de conception et d’évaluation de l’expérience utilisateur ? Savoir sélectionner les méthodes les plus adaptées à votre projet ? Comprendre chaque méthode et savoir comment l’appliquer concrètement ? Articulant théorie et pratique, cet ouvrage présente 30 chapitres méthodologiques couvrant l’essentiel du design UX. Vous y trouverez à la fois les méthodes fondamentales telles que l’entretien, le maquettage ou les tests utilisateurs, mais également des méthodes plus innovantes telles que les cartes d’idéation, les échelles d’évaluation UX ou les stratégies de design persuasif. Vous serez guidé pas à pas à travers les étapes de réalisation de chaque méthode et accompagné pour prendre les décisions les plus adaptées à votre projet. Chaque che méthode intègre également une partie théorique et des illustrations concrètes pour faciliter la compréhension. Véritable portfolio théorique et méthodologique, ce livre est un guide indispensable à toute personne impliquée dans la conception de systèmes, produits ou services. Professionnels, chefs de projets, étudiants, enseignants et chercheurs y trouveront de précieuses ressources pour mener à bien leurs projets peu importe le domaine d’application. Grâce aux méthodes de design UX, créez des produits et des services qui attirent, qui captivent, qui enchantent et inspirent pour améliorer la vie de ceux qui les utilisent. Au-delà de l’impression couleur qui rend l’expérience de lecture plus attractive, nous avons eu à cœur de valoriser cette 2e édition par les ajouts suivants : • une actualisation générale de chaque méthode incluant les travaux scientifiques et professionnels les plus récents ; • des illustrations et templates plus nombreux ainsi que des exemples directement applicables pour mieux vous guider ; • des conseils pour appliquer certaines méthodes à des publics spécifiques, principalement les enfants ; • des astuces contextualisées au fur et à mesure de votre lecture ; • une nouvelle section « En mode guérilla » pour chaque méthode avec 65 alternatives moins coûteuses en ressources pour vos projets. [less ▲]

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See detailEventually everything connects
Lallemand, Carine UL

Speeches/Talks (2018)

If you are reading these lines, you are probably curious about the type of experience that you would have as an attendee of this talk. You might wonder whether the topic would match your interests ... [more ▼]

If you are reading these lines, you are probably curious about the type of experience that you would have as an attendee of this talk. You might wonder whether the topic would match your interests, whether the speaker will be good enough to satisfy your expectations, whether you will feel inspired, exhilarated, or whether you will have concrete tools to bring back to your work. While you are usually the ones shaping people’s experiences, you are striving for nice experiences as well. Designing for human experiences is one of the most challenging yet fascinating activities. It is a responsibility that we should embrace with humility and dedication. To face the complexity of our mission, we need to draw on theoretical knowledge, methodological skills and of course on our shared professional expertise, as a community. While UX practitioners are working hard at the front lines to design better products or services, scientists work in the shadows to develop and consolidate a myriad of novel and highly valuable UX methods. During this talk, you will discover the ever-growing UX toolbox that could greatly support you in collecting richer, insightful and more valid data. From scientific theories to pragmatic methods, from academia to industry, from Luxembourg to Puerto Rico… Eventually everything connects. [less ▲]

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See detailA UX Approach to Privacy and Security: the Impact of User, Contextual and System-Related Factors
Distler, Verena UL; Lallemand, Carine UL; Koenig, Vincent UL

in CHI Workshop Exploring Individual Diffferences in Privacy (2018, April)

This position paper lays out current and future studies which we conduct on the UX aspects of security and privacy, our goal being to understand which factors influence privacy-related decision-making. We ... [more ▼]

This position paper lays out current and future studies which we conduct on the UX aspects of security and privacy, our goal being to understand which factors influence privacy-related decision-making. We advocate using UX design methods in order to study interindividual differences, system-related and contextual factors involved in privacy and security attitudes and behaviors. These results will contribute to user-tailored and personalized privacy initiatives and guide the design of future technologies. [less ▲]

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See detailAcceptability and Acceptance of Autonomous Mobility on Demand: The Impact of an Immersive Experience
Distler, Verena UL; Lallemand, Carine UL; Thierry, Bellet

in Proceedings of the 2018 CHI Conference on Human Factors in Computing Systems (2018, April)

Autonomous vehicles have the potential to fundamentally change existing transportation systems. Beyond legal concerns, these societal evolutions will critically depend on user acceptance. As an emerging ... [more ▼]

Autonomous vehicles have the potential to fundamentally change existing transportation systems. Beyond legal concerns, these societal evolutions will critically depend on user acceptance. As an emerging mode of public transportation [7], Autonomous mobility on demand (AMoD) is of particular interest in this context. The aim of the present study is to identify the main components of acceptability (before first use) and acceptance (after first use) of AMoD, following a user experience (UX) framework. To address this goal, we conducted three workshops (N=14) involving open discussions and a ride in an experimental autonomous shuttle. Using a mixed-methods approach, we measured pre-immersion acceptability before immersing the participants in an on-demand transport scenario, and eventually measured post-immersion acceptance of AMoD. Results show that participants were reassured about safety concerns, however they perceived the AMoD experience as ineffective. Our findings highlight key factors to be taken into account when designing AMoD experiences. [less ▲]

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See detailÉvaluations numériques: quel rôle pour l’expérience utilisateur ?
Pere, Maxime UL; Lallemand, Carine UL; Koenig, Vincent UL

Scientific Conference (2018, January)

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See detailGuérilla UX, "quick" mais pas "dirty"
Lallemand, Carine UL

Conference given outside the academic context (2017)

Les ressources limitées des projets de conception incitent souvent à appliquer des méthodes UX rapides, low-cost, « quick & dirty ». Mais le « guerilla UX » peut aussi être « quick » sans être « dirty » ... [more ▼]

Les ressources limitées des projets de conception incitent souvent à appliquer des méthodes UX rapides, low-cost, « quick & dirty ». Mais le « guerilla UX » peut aussi être « quick » sans être « dirty », être inspirant, et constituer une alternative valide aux méthodes traditionnelles de design UX. Au-delà des célèbres tests utilisateurs à la mode Starbucks, cette conférence vous présentera de nombreuses alternatives guérilla aux entretiens, questionnaires, observations, en passant aussi par l’idéation, le storyboarding ou le maquettage. Une bonne dose d’inspiration pour se donner les moyens de faire de l’UX quand on n’en a pas les moyens ! [less ▲]

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See detailHow Could an Intranet be Like a Friend to Me?: Why Standardized UX Scales Don't Always Fit
Lallemand, Carine UL; Koenig, Vincent UL

in Proceedings of the European Conference on Cognitive Ergonomics 2017 (2017, October)

"I hope that this survey is a joke because it made me laugh so much". This quote is just one example of many negative respondents' reactions gathered during a large-scale user experience (UX) study ... [more ▼]

"I hope that this survey is a joke because it made me laugh so much". This quote is just one example of many negative respondents' reactions gathered during a large-scale user experience (UX) study. Unfortunately, the survey was no joke, rather a well-constructed and validated standardized UX scale. This paper critically reflects on the use and relevance of standardized UX scales for the evaluation of UX in business contexts. We report on a real-world use case where the meCUE questionnaire has been used to assess employees' experience (N=263) with their organization's intranet. Strong users' reactions to the survey's items and statistical analyses both suggest that the scale is unsuitable for the evaluation of business-oriented systems. Drawing on the description of this inadequacy, we discuss the quality of academic UX tools, calling into question the relevance for practice of academic methods. [less ▲]

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See detailThe vocabulary of Learner-Space Interactions - Understanding learning spaces experience through the repertory grid method
Lallemand, Carine UL; Koenig, Vincent UL

in Interaction Design & Architecture(s) (2017), 32

Higher education institutions are facing new educational challenges and are striving for an evolution in pedagogical practices. This evolution is accompanied by the need for innovative learning spaces to ... [more ▼]

Higher education institutions are facing new educational challenges and are striving for an evolution in pedagogical practices. This evolution is accompanied by the need for innovative learning spaces to support students in the development of “21st century skills”. Designing these spaces requires a deep understanding of learners’ needs and experiences. User-centered design therefore appears as an adequate process to understand learning experiences in relation to spatial design. In this paper, we describe how the repertory grid method has been used to explore students’ perceptions of learning environments (N = 26). We identified 381 personal constructs (contrasted word pairs) associated with learning spaces and grouped them into seven categories (22 subcategories), ranked by number of occurrences. This study provides a basis for the development of a vocabulary of learners-spaces interactions, in support of the design and assessment of learning space experiences. [less ▲]

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See detailLab Testing Beyond Usability: Challenges and Recommendations for Assessing User Experiences
Lallemand, Carine UL; Koenig, Vincent UL

in Journal of Usability Studies (2017), 12(3), 133-154

In the “third wave” of human-computer interaction (HCI), the advent of the conceptual approach of UX broadens and changes the HCI landscape. Methods approved before, mainly within the conceptual approach ... [more ▼]

In the “third wave” of human-computer interaction (HCI), the advent of the conceptual approach of UX broadens and changes the HCI landscape. Methods approved before, mainly within the conceptual approach of usability, are still widely used, and yet their adequacy for UX evaluation remains uncertain in many applications. Laboratory testing is undoubtedly the most prominent example of such a method. Hence, in this study, we investigated how the more comprehensive and emotional scope of UX can be assessed by laboratory testing. In this paper, we report on a use case study involving 70 participants. They first took part in user/laboratory tests and then were asked to evaluate their experience with the two systems (perceived UX) by filling out an AttrakDiff scale and a UX needs fulfillment questionnaire. We conducted post-test interviews to better understand participants’ experiences. We analyzed how the participants’ perceived UX depends on quantitative (e.g., task completion time, task sequence, level of familiarity with the system) and qualitative aspects (think aloud, debriefing interviews) within the laboratory context. Results indicate that the laboratory setting has a strong impact on the participants’ perceived UX, and support a discussion of the quality and limitations of laboratory evaluations regarding UX assessment. In this paper, we have identified concrete challenges and have provided solutions and tips useful for both practitioners and researchers who seek to account for the subjective, situated, and temporal nature of the UX in their assessments. [less ▲]

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See detailInsightful UX methods – from research to practice (opening keynote talk)
Lallemand, Carine UL

Conference given outside the academic context (2017)

While UX practitioners are working hard at the front to design be er products or services, scientists work in the shadows to develop a myriad of novel and highly valuable theories and methods. During this ... [more ▼]

While UX practitioners are working hard at the front to design be er products or services, scientists work in the shadows to develop a myriad of novel and highly valuable theories and methods. During this talk, you will discover this ever‐growing UX toolbox that could greatly support you in collecting richer, insightful and more valid data. We will also show you how your daily UX research practices can be backed up and enriched by scientific research on human experience. If you’re not yet convinced that academia might be relevant for practice, you’ll be excited to discover that together we have the power to be er understand users in order to design desirable experiences, create business value and societal impact. Get inspired by concrete methodological examples and boost the value of your upcoming projects! [less ▲]

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See detailEnsuring Validity in Strategic UX Research Methods
Lallemand, Carine UL

Conference given outside the academic context (2016)

Detailed reference viewed: 29 (0 UL)
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See detailMéthodes de design UX : 30 méthodes fondamentales pour concevoir et évaluer les systèmes interactifs
Lallemand, Carine UL; Gronier, Guillaume

Book published by Eyrolles (2015)

Articulant théorie et pratique, cet ouvrage présente 30 fiches méthodologiques couvrant l'essentiel du design UX et de l'ergonomie des interactions homme-machine (IHM). Vous serez guidé pas à pas à ... [more ▼]

Articulant théorie et pratique, cet ouvrage présente 30 fiches méthodologiques couvrant l'essentiel du design UX et de l'ergonomie des interactions homme-machine (IHM). Vous serez guidé pas à pas à travers les étapes de réalisation de chaque méthode et accompagné pour prendre les décisions les plus adaptées à votre projet. Chaque fiche méthode intègre également une partie théorique et des illustrations concrètes pour faciliter la compréhension. Véritable portfolio théorique et méthodologique, cet ouvrage est un guide indispensable à toute personne impliquée dans la conception de systèmes interactifs. Professionnels, chefs de projets, étudiants, enseignants et chercheurs y trouveront de précieuses ressources pour mener à bien leurs projets. Grâce aux méthodes d'UX design, créez des produits et des services qui attirent, qui captivent, qui enchantent et inspirent pour améliorer la vie de ceux qui les utilisent ! [less ▲]

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See detailCréation et validation d’une version française du questionnaire AttrakDiff pour l’évaluation de l’expérience utilisateur des systèmes interactifs
Lallemand, Carine UL; Koenig, Vincent UL; Gronier, Guillaume et al

in European Review of Applied Psychology = Revue Européenne de Psychologie Appliquée (2015)

Introduction While user experience (UX) evaluation is a core concern within the field of human–computer interaction (HCI), there is currently no valid self-administered UX evaluation tool in French. The ... [more ▼]

Introduction While user experience (UX) evaluation is a core concern within the field of human–computer interaction (HCI), there is currently no valid self-administered UX evaluation tool in French. The AttrakDiff 2 scale (Hassenzahl, Burmester, & Koller, 2003) is a UX evaluation tool, which relies on a theoretical model distinguishing pragmatic and hedonic qualities of interactive systems. Objective This paper describes the translation and validation of the French version of the AttrakDiff 2 scale in order to ease UX assessment in French-speaking users. Method Following the cross-cultural methodology developed by Vallerand (1989), the questionnaire was translated by trilingual researchers before being back-translated and validated by a panel of experts. A pre-test was conducted on 26 participants. The characteristics of the French version of the AttrakDiff 2 scale were then evaluated through a quantitative online study involving a sample of 381 users. Results The results confirm the expected 3 factors structure and a good internal consistency of each subscale. The links between factors are consistent with Hassenzahl's theoretical model (2003) where pragmatic and hedonic perceived attributes combine to form a judgment of attractiveness. Conclusion The current French version of the AttrakDiff 2 scale is globally reliable with regards to the initial German version and presents satisfactory levels of validity and reliability. [less ▲]

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See detailMesurer la formation de la première impression d’une interface à l’aide du test des 5 secondes
Gronier, Guillaume; Lallemand, Carine UL; Chauvet, Adelaïde

Scientific Conference (2015, July 08)

Cette étude se propose de mesurer la validité scientifique d’une méthode souvent utilisée, mais peu formalisée en évaluation ergonomique d’une Interface Homme-Machine : le test des 5 secondes. Ce ... [more ▼]

Cette étude se propose de mesurer la validité scientifique d’une méthode souvent utilisée, mais peu formalisée en évaluation ergonomique d’une Interface Homme-Machine : le test des 5 secondes. Ce test consiste à présenter à un utilisateur, pendant exactement 5 secondes, une page fixe (page web, écran de logiciel) qu’il doit explorer visuellement. Après 5 secondes, la page disparaît et sa première impression est généralement recueillie à l’aide de quelques questions ouvertes. Afin de mesurer la validité de la méthode, un protocole expérimental a été mis en place afin de comparer les éléments qui sont les plus retenus lors d’un affichage pendant 5 secondes ou pendant une durée illimitée. L’hypothèse qui est posée est que l’utilisateur portera tout d’abord son attention sur les éléments propres à la qualité non-instrumentale de l’interface au cours des premiers instants de l’interaction ; puis au delà de 5 secondes, ce sont les qualités instrumentales qui seront mieux perçues. Les résultats obtenus valident en partie cette hypothèse, et montrent selon nous tout l’intérêt du test des 5 secondes que la recherche doit poursuivre de valider. [less ▲]

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See detailTowards consolidated methods for the design and evaluation of user experience
Lallemand, Carine UL

Doctoral thesis (2015)

In the “third wave” of Human-Computer Interaction (HCI), the emergence of User Experience (UX) as a key concept has opened up both exciting perspectives and hard challenges. The conceptual shift to a more ... [more ▼]

In the “third wave” of Human-Computer Interaction (HCI), the emergence of User Experience (UX) as a key concept has opened up both exciting perspectives and hard challenges. The conceptual shift to a more comprehensive and emotional view of human-computer interactions has been accompanied by the development of numerous methods and tools for the design and evaluation of interactive systems. UX research has thus been mainly driven by novelty and innovation and to date a majority of the developed tools lack validation and consolidation. UX research undoubtedly raises new concerns and challenges common conceptual and methodological practice. Thus the primary objective of this thesis is to contribute to UX consolidation. We addressed this objective by relying on a mixed-methods approach for the empirical part of this thesis, involving comparatively large and representative samples. This part encompasses six studies, representing a variety of perspectives related to UX research consolidation. More specifically, this dissertation includes a replication study (Paper A, N = 758), the translation and validation of a tool (Paper B, N = 381), the development of new design and evaluation methods (Paper C and D, N = 137 and 33), the empirical assessment of the relevance of established HCI methods for the evaluation of UX (Paper E, N = 103) and finally an investigation on how to bridge UX research and practice through a design approach (Paper F). The contributions of this thesis to UX research and practice regard both UX as a concept and its methodologies. Main findings inform about the benefits, challenges, and limitations of UX consolidation strategies as derived from our respective studies (papers A to F). Each study provides advances to both research and practice, while the combination of our studies pushes forward consolidation of UX. This is an essential step with regards to an emerging concept and informs an overarching research agenda aiming at a continuous interdisciplinary fostering of the UX field. [less ▲]

Detailed reference viewed: 758 (57 UL)