Published as Ihme, J. M., Lemke, F., Lieder, K., Martin, F., Müller, J. C., & Schmidt, S. (2009). Comparison of ability tests administered online and in the laboratory. Behavior Research Methods, 41(4), 1183–1189. doi:10.3758/BRM.41.4.1183. Original publication is available at http://link.springer.com/article/10.3758/BRM.41.4.1183
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