A group of covariance structure models was examined to ascertain the similarity between conventionally administered and computerized adaptive versions of the Differential Aptitude Test (DAT). Results for 332 students indicate that the computerized version of the DAT is an adequate representation of the conventional test battery. (TJH)

Two sets of mathematical reasoning and two sets of verbal comprehension items were cast into each of three formats--constructed response, standard multiple-choice, and Coombs multiple-choice--in order to assess whether tests with identical content but different formats measure the same attribute. (Author/CTM)