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…

This paper presents an information processing model of test anxiety in an attempt to explain the mechanism of test anxiety's effect on working memory within the framework of the American College Testing Program Assessment (ACT). The model suggests that the construct of test anxiety, both worry and emotionality, is represented in the declarative…

Differences in critical thinking between undergraduate and graduate students in the social and mathematical sciences was investigated using multiple measures of critical thinking that reflect different types of problem structure. Educational level and academic area differences were found across measures. (Author/MLW)