A three-dimensional (3-D) test, comparable to twenty-five items from the Boehm Test of Basic Concepts, constructed to determine whether 3-D stimuli would facilitate responses when compared to two dimensional (2-D) stimuli, revealed no significant effects for the version of the test (2-D or 3-D) or the order of administration. (MB)

Forty-six achievement tests were compared for content validity, criterion-related validity, reliability, and norms. Results show that more popular tests provide the user with technical data in the critical areas examined, although the information provided may be incomplete. (Author/MT)