Betz, N. E. (1977). Effects of immediate knowledge of results and adaptive testing on ability test performance. Applied Psychological Measurement, 2, 259-266.

Betz, N. E. (1977). Effects of Immediate Knowledge of Results and Adaptive Testing on Ability Test Performance. Applied Psychological Measurement, 1(2), 259-266.

Betz, N. E., & Weiss, D. J.. (1976). Effects of immediate knowledge of results and adaptive testing on ability test performance (Research Report 76-3). Minneapolis: University of Minnesota, Department of Psychology, Psychometric Methods Program, Computerized Adaptive Testing Laboratory.

Betz, N. E., & Weiss, D. J.. (1976). Psychological effects of immediate knowledge of results and adaptive ability testing (Research Report 76-4). Minneapolis: University of Minnesota, Department of Psychology, Psychometric Methods Program, Computerized Adaptive Testing Laboratory.

Betz, N. E., & Weiss, D. J.. (1975). Empirical and simulation studies of flexilevel ability testing (Research Report 75-3). Minneapolis: Department of Psychology, Psychometric Methods Program.

Betz, N. E. (1975). New types of information and psychological implications. In . D. J. Weiss (Ed.), Computerized adaptive trait measurement: Problems and Prospects (Research Report 75-5), pp. 32-43. Minneapolis: University of Minnesota, Department of Psychology, Psychometric Methods Program.

Betz, N. E., & Weiss, D. J.. (1974). Simulation studies of two-stage ability testing (Research Report 74-4). Minneapolis: Department of Psychology, Psychometric Methods Program.

Weiss, D. J., & Betz, N. E.. (1973). Ability measurement: Conventional or adaptive? (Research Report 73-1). Minneapolis: University of Minnesota, Department of Psychology, Psychometric Methods Program.

Betz, N. E., & Weiss, D. J.. (1973). An empirical study of computer-administered two-stage ability testing (Research Report 73-4). Minneapolis: Department of Psychology, Psychometric Methods Program.