The paper argues that contemporary test validity theory places the consequences of testing on the lives of all college applicants at the back of the test validation argument. It introduces the notion of test efficacy as a process to gather evidence on claims on consequences of testing on all college applicants that can be traced back to validity.…

This paper follows a line of logical argumentation to claim that what Samuel Messick conceptualized about construct validation has probably been misunderstood by some educational policy makers, practicing educators, and classroom teachers. It argues that, while Messick's unified theory of test validation aimed at (a) warning educational…

Naomi Gafni, director of Research and Development, National Institute for Testing and Evaluation, Jerusalem, Israel, has devoted a substantial part of her career to the development of admissions tests and other educational tests and to the investigation of their validity. As such she is keenly aware of the complexities involved in this process.…