Contamination that results from communication of information between groups of participants in an experiment can lead to all of the following except
A)greater compliance with the instructions within each group.
B)resentment on the part of participants receiving less desirable treatments.
C)rivalry among participants receiving different treatments.
D)general diffusion of treatments across the groups.

Question

Quizplus · Accepted Answer

Communication of information between groups of participants may lead to resentment, rivalry, and diffusion of treatments, but it is unlikely to result in greater compliance with instructions within each group. In fact, contamination may lead to participants challenging the instructions given to them by the researchers.

Contamination That Results from Communication of Information Between Groups of Participants