Markus, Keith A. and Denny Borsboom Frontiers of test validity theory : measurement, causation, and meaning/ Keith A. Markus and Denny Borsboom - New york: Routledge, 2013 - xviii, 341p. ill. 18cm Includes index ISBN: 9781841692203 Subjects--Topical Terms: Psychometrics LC Class. No.: BF39 / .M277