publications - articles
Frick, A., Bächtiger, M. T., & Reips, U.-D. (1999). Financial incentives, personal information and drop-out in online studies. In U.-D. Reips, B. Batinic, W. Bandilla, M. Bosnjak, L. Gräf, K. Moser, & A. Werner (Eds.). Current Internet science – trends, techniques, results. Aktuelle Online-Forschung – Trends, Techniken, Ergebnisse. Zürich: Online Press. [WWW document].(proceedings version, 2011 published in revised version).