PSY 2105 Lecture Notes - Lecture 10: Criterion Validity, Hierarchical Database Model, Twin Study

• School: University of Ottawa
• Department: Psychology
• Course: PSY 2105
• Professor: Julie Desjardins

Document Summary

Focuses on the use of standardized tests to identify individual differences among people. Iq tests yield ordered differences among people. Results in an evaluative dimension in which person a is less or more intelligent than person b. Determine the type of education a student should receive. Developed in 1905 by alfred binet and t. simon. Purpose was to measure individual differences in intellectual ability. Include verbal comprehension, perceptual reasoning, working memory, and. Grounded in information processing conceptions of intelligence. More recent entries include group tests of intelligence and infant tests. Characteristics of a good psychometric test include : Asks whether the test gives repeatable scores (consistency of measurement) Asks whether the test measures the intended domain. Criterion validity determines whether iq can predict a criterion such as school performance. Iq scores correlate 0. 5 to 0. 6 with school performance. General intelligence ( g ): part of all forms of intellect.