The Connie Belin & Jacqueline N. Blank International Center for Gifted Education and Talent Development Evaluating the Effectiveness of the Iowa Acceleration.
Validity in psychological testing
Validity in Action: State Assessment Validity Evidence for Compliance with NCLB William D. Schafer, Joyce Wang, and Vivian Wang University of Maryland.
Validity and Item Analysis Chapter 4. Concerns what instrument measures and how well it does so Not something instrument “has” or “does not have”
