Increased emphasis on public school accountability has resulted in several states including a science component in their elementary and middle school testing program. This component often includes items designed to measure process skill ability. The purpose of this study was to examine the performance of high school students on four types of…

This study investigated the relationships among the symbolic representation of problems given to students to solve, the mental representations they use to solve the problems, and the accuracy of their solutions. Twenty eleventh-grade science students were asked to think aloud as they solved problems on the ideal gas laws. The problems were…

Gives examples of major sources of unreliability in multiple choice items in health professions classroom achievement tests (clues to response combinations, mutually exclusive alternatives, implausible distractors) and offers some suggestions for eliminating them when writing such tests. (MF)