Ger Van Gils

A Comparison of Randomized Response, Computer-Assisted Self-Interview, and Face-to-Face Direct Questioning

J. Hox, P. V. D. van der Heijden, Ger Van Gils, 2000 .

A validation of a computer‐assisted randomized response survey to estimate the prevalence of fraud in social security

Peter G. M. van der Heijden, Olav Laudy, Gerty J. L. M. Lensvelt-Mulders, 2006 .

Trust and Understanding, Two Psychological Aspects of Randomized Response

Johannes A. Landsheer, P. V. D. van der Heijden, J. Landsheer, 1999 .