Despite the popularity of both multiple-choice (MC) and true-false (TF) items, most investigations comparing the two formats have done so to determine the optimum number of choices to be given to students within a given time period. The purpose of this investigation was to compare the reliabilities and the validities of both formats when the items…

The initial study was based on responses of 103 examinees on an objective classroom test. Results indicated that response changes increased item difficulties as well as biserial and point biserial correlations. Test reliability was not decreased. This implies that not all students benefit from changing initial responses. The personal biserial…

Gumpgookies, an objective-projective test of school achievement motivation for children 3 1/2 to 8 year, was reduced from 100 to 75 items following extensive factor analyses. This revised test attempted to dissipate the effects of response sets of the subjects and was prepared in three versions--an individual form, a group form for non-readers,…