Paper prepared for a Panel Presentation at the 2005 AEA Conference, Toronto, Canada; Oct 29, 2005. Session Title: More on Retrospective Pretest: Developing a Taxonomy of Best Practice Uses. This review was undertaken to examine the published literature relative to the retrospective pretest design to see what we know about its use, relevance and validity. It references 60 articles representing sources from educational measurement, psychology, sociology, health, agricultural education, evaluation, extension, management, training, and social work. The review is organized by empirical research on testing the design, use of RPT in evaluation; and instructional materials. #post-then-pre #Instruments #RPT;