Identical twins - a The behaviors ideas attitudes and...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Identical twins -100% same gene Fraternal twins-genetic similarity of siblings Identical twins are much more similar than fraternal twins Identical twin raised separately are remarkably similar to each other -unaffected by “age at separation” -mix-ups 1. are adopted kids more like their biological or adoptive parents? 2. How similar are adapted kids to other kids in the same home? Answers: Personality Home environment has little effect Adaptive kids do not resemble biological kids But…biological kids don’t often resemble each other Values The role that environment has on behavior 1. Early Environment-affects brain development a. Rosenzweig studies a.i. Rats raised in isolation vs. with toys and playmates 2. Parental Influence a. Frued-parents exert a huge influence on their developing children a.i. Only “sort of” true, mild effects 3. Peer Influence a. Huge influence of peers on their friends a.i. Smoking/alcohol/drug use a.ii. Language development a.iii. Preferences 4. Culture
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: a. The behaviors, ideas, attitudes and traditions shared by a large group of people and transmitted from one generation to the next. Cultural norms really affect behavior:-formality-personal space-pace-expressiveness Could cultural difference really be biological?-probably not.-generational differences within a culture Nature v. Nurture: Gender Some known gender differences:-spatial cognition-verbal ability-locus of control-females-internal-males-external-empathy Nature Explanation-hormones differ in men and women -hormones influence behavior Nurture Explanation-we model imitate what we see we are rewarded for gender-stereotyped behavior Conclusions 1. both genes and environment influence behavior 2. it is not east to distinguish the relative contributions of genes vs. environment for any particular behavior 3. it is not east to predict any given behavior by controlling the genes or the environment....
View Full Document

This note was uploaded on 10/19/2011 for the course PSYCH 100 taught by Professor Cave during the Spring '08 term at UMass (Amherst).

Page1 / 2

Identical twins - a The behaviors ideas attitudes and...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online