The North Carolina End-of-Course Testing Program was established to provide student, school, and school system information about achievement in high school courses. Approximately 83.4 percent of the 77,154 students who took the biology test were in the tenth grade. Students taking biology in the ninth grade (8.3 percent) were on an accelerated…

Reported are results of a study designed to replicate a study at North Carolina State University which investigated the effectiveness of a diagnostic/prescriptive system for increasing the science achievement of university students and examined the relationship between selected student characteristics and participation in voluntary diagnosis.…

This paper summarizes and compares three studies which used different approaches to diagnostic/prescriptive instruction: (1) voluntary diagnosis and remediation; (2) required diagnosis with no formal remediation; and (3) required diagnosis with prescribed remediation. It includes an examination of the influence of selected student entry…