TY - JOUR T1 - A method for severely constrained item selection in adaptive testing JF - Applied Psychological Measurement Y1 - 1993 A1 - Stocking, M., A1 - Swanson, L. VL - 17 ER - TY - JOUR T1 - A model and heuristic for solving very large item selection problems JF - Applied Psychological Measurement Y1 - 1993 A1 - Stocking, M., A1 - Swanson, L. VL - 17 ER - TY - JOUR T1 - Computerized adaptive testing: Principles and directions JF - Computers and Education Y1 - 1978 A1 - Kreitzberg, C. B. A1 - Stocking, M., A1 - Swanson, L. VL - 2 ER -