Describes validation procedures used with an individually administered test involving a branching program format to assess students level of cognitive achievement in biology. Reports results of comparisons of classes of teachers with BSCS or non-BSCS backgrounds. (AL)

Reasons why there are few incentives for test publishers to make significant innovations in what is tested or how it is tested are given. A brief discussion of research on growth spurts in the brain, hemispheric differences, and other neurological phenomena is followed by a discussion of some conclusions drawn from this work. While skepticism is…

The purpose of this study was to design a prototype written test of cognitive development based on the model of Piaget. Although the results were not consistent with Piaget's theory, test development was only partially successful. Specifically, validation of the scales was excellent or poor depending on the perspective. Analysis of the item…