Summary This article evaluates three different questioning techniques for measuring the prevalence of plagiarism in student papers: the randomized response technique (RRT), the item count technique (ICT), and the crosswise model (CM). In three independent experimental surveys with Swiss and...

In spring 2011, the students of the University of Bern and ETH Zurich (Swiss Federal Institute of Technology) in Switzerland were invited to participate in an online survey called "Exams and written papers" ("Prüfungen und schriftliche Arbeiten an der Universität Bern" at the University of...

Self-administered online surveys provide a higher level of privacy protection to respondents than surveys administered by an interviewer. Yet, studies indicate that asking sensitive questions is problematic also in self-administered surveys. Because respondents might not be willing to reveal the...

This article evaluates three different questioning techniques for measuring the prevalence of plagiarism in student papers: the randomized response technique (RRT), the item count technique (ICT), and the crosswise model (CM). In three independent experimental surveys with Swiss and German...