PSYC 100 Lecture Notes - Lecture 13: Intelligence Quotient, Standardized Test, Factor Analysis

• School: Queen's University
• Department: Psychology
• Course: PSYC 100
• Professor: Jill Atkinson

Document Summary

Defining intelligence: differential approach devoted to tests and measures of individual differences in various psy(cid:272)hologi(cid:272)al properties, i(cid:374)(cid:272)ludi(cid:374)g people"s a(cid:271)ilities to sol(cid:448)e pro(cid:271)le(cid:373)s, galton noticed brilliant people often had brilliant relatives intelligence is hereditary. Invented by spearman: determined by calculating how well observed variables can be explained in terms of smaller variables (factors) Idea of innate individual differences in intelligence clashes with idea that equalizing educational opportunities or removing socioeconomic disparities will level intellectual playing field. Intelligence scale for children (wisc) which are regularly revised. Initially intended for education and proper placement of children in school. Intelligence is 3x more predictive than experience for workers when looking at job performance: hunter and schmidt intelligence correlated highly with job knowledge and task performance. Defining cognitive heuristics: mental shortcuts based on experience, allow us to think fast and simply but can lead to errors and biases, can be contrasted with algorithms (step by step procedures)