This report describes several of the design decisions underlying ACT, a production system model of human cognition. ACT can be considered a high level computer programming language as well as a theory of the cognitive mechanisms underlying human information processing. ACT design decisions were based on both psychological and artificial…

The study reported in this paper is designed to provide evidence of the convergent and discriminant validity of the Flexible Combination Test (R. Dillon). Two premises were tested: (1) flexible combination accounts for significant variation in cumulative grade-point average, high school rank, and cumulative Act Assessment scores; and (2) the…