Traditional test scoring does not allow the examination of differences among subjects obtaining identical raw scores on the same test. A configuration scoring paradigm for identical raw scores, which provides for such comparisons, is developed and illustrated. (Author)

Development of The Assessment of Basic Competencies (ABC), a test battery based on the three-parameter logistic model, is described. Eleven dimensions of intellectual growth are measured, from the pre-kindergarten level through ninth grade. An educationally relevant skill domain is represented by each test. Unique properties of the test, based on…