Psychology 1000 Lecture Notes - Lecture 11: Cyril Burt, Twin, Heritability

• School: Western University
• Department: Psychology
• Course: Psychology 1000
• Professor: Terry Biggs

Document Summary

Chapters 1-4 + appendix calculations mean, median, mode and range. Twins can be used to study complex behaviour intelligence. Does not indicate extent to which genes are responsible for expression of trait. Taps relative contribution of genes to overall variation in population. Calculation of area (both l and w contribute but degree of contribution differs) Hair colour of inuit (what is heritability 0!!! Because heritability refers to variability need variance for heritability, but genes are responsible for expression of hair colour: h2 increases as genetic diversity increases, h2 decreases as environmental diversity increases. Differences within groups due entirely to genes. Oskar stohr and jack yufe raised separately. Sir cyril burt: large scale study of twins reared apart, invented screening puts smart people in smart places (university), puts. Dumb people in dumb places (workers: reports h2 approaching 1. 0, faked the data!!! Not saying that i. q is genetically determined.