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...

At the last users' group meeting I presented a GI command for estimating effects using linear models. The command relied on a classification of variables according to their function in the linear model, and the user had to select, from a list, the particular regression command to be used (e.g....