Consistency of gain from changing test answers was tested for students instructed about answer-changing research results, and composition of the gain was analyzed by examining the students' reasons for changing. Mean gain remained positive and consistent with gain for previously studied uninstructed groups; amount of change was also stable.…

College students rated dissimilarity of pairs of common test item formats. A multidimensional scaling model with individual differences fit to data from 111 students suggested that they used 2 dimensions to distinguish among the formats, 1 separating supply from selection items and 1 based on the number of options. (SLD)