This paper describes the task analysis of performance-based science tasks that were designed for the 1994 National Assessment of Educational Progress (NAEP) science assessment, now postponed until 1996, and field tested in 1993. A brief description of the science performance tasks is followed by a description of the task analyses performed and a…

Analyses of the cognitive activity displayed by students on existing innovative assessments in science were conducted. The project has worked with pilot alternative assessment programs in Connecticut and California to document the match or mismatch between the skills and processes that the assessment is designed to tap and those actually elicited.…