PSY 202 Lecture Notes - Lecture 3: Identity Formation, Lev Vygotsky, Day Care

• School: Ryerson University
• Department: Psychology
• Course: PSY 202
• Professor: Stephanie Marion

Document Summary

Developmental psychology is the study of how our behavior changes throughout the lifespan, from before birth until death. There are several challenges in researching how and why these changes take place: post hoc fallacy (cid:862)a(cid:863) does(cid:374)"t (cid:272)ause (cid:862)b(cid:863) just (cid:271)e(cid:272)ause it pre(cid:272)edes it, bi-directional influences. De(cid:448)elop(cid:373)e(cid:374)t i(cid:374)flue(cid:374)(cid:272)es a perso(cid:374)"s e(cid:454)perie(cid:374)(cid:272)es (cid:271)ut their e(cid:454)perie(cid:374)(cid:272)es also influence their development: cohort effects. Sets of people who lived during one period can differ in some systematic way from sets of people who lived during a different period. Must choose between cross-sectional and longitudinal designs. Examples of post hoc fallacy vaccines and. Dr. andrew wakefield 1998 publication in the lancet: suggested an association between the mmr vaccine and autism in children, based on casual observations of only 12 children. Many years and much scientific research later there is still no evidence of the link between the two: gilberg & coleman (1996) found slightly lower risk of autism in immunized children.