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DTIC ADA359337: CATBOOK Computerized Adaptive Testing: From Inquiry to Operation

HumRRO contracted with ARI, sponsored by OASD/P&R (AP), to produce a book for commercial publication by the American Psychological Association (APA) which documents the research and development of computerized adaptive testing (CAT) as a means of administering the Armed Services Vocational Aptitude Battery (ASVAB), the personnel selection test battery used by the Department of Defense (DoD). The CAT-ASVAB program began in 1979, and bore operational fruit in 1992, when CAT-ASVAB went into limited use in an operational test and evaluation. CAT-ASVAB has since been approved to replace conventional, printed versions of ASVAB, beginning in 1996 in all Military Entrance Processing Stations (MEPs). The principal objective of this book is to document the psychometric research and development of the CAT-ASVAB program and the important practical lessons learned in developing its delivery system. The approach does this in a historical context. A secondary objective of the book is to provide a case study of the entire CAT-ASVAB program. The book primarily addresses three aspects of CAT-ASVAB history in DoD (adaptive testing measures and strategies; CAT-ASVAB system design issues; and CAT-ASVAB

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