PSY 320 Lecture Notes - Lecture 8: Item Response Theory, Classical Test Theory, Fluid And Crystallized Intelligence
Document Summary
Power tests - correlation of 0. 97 between cat and paper-and-pencil tests. Speed tests - correlation of 0. 72 between cat and paper-and-pencil tests. Classical test theory (paper/pencil) vs. item response theory (cat) Intelligence - ability to understand complex ideas, to adapt effectively to the environment, to learn from experience, and to engage in various forms of reasoning. Fluid intelligence - capacity to learn, memory facility, critical thinking skills, abstract reasoning, problem solving ability. Crystallized intelligence - application of accumulated knowledge, learned mental skills. Common tasks - verbal, numerical, mechanical, perceptual, spatial, working memory (ie. digit span) G" - general intelligence, can be smart in a variety of ways. "s" - idea that there are lots of different intelligence. Nature and measurement of the constructs of intelligence. Wonderlic personnel test - 50 items measuring vocabulary, logical reasoning, arithmetic problem solving, and geometric figure analysis. Bennett mechanical comprehension test - 68 items with pictorial illustrations of physical relationships.
