PSY 325 Lecture Notes - Lecture 28: Twin Study, Prenatal Care, Chromosome
Document Summary
Phenotypic correlations between big 5 and humor styles: More likely to have high e, o, a, and low n. *analyses revealed that these observed correlations were entirely attributable to genetic as opposed to shared environmental effects. First-borns are high in c and second-borns are high in a. Perception of intellect decreases by 10th of a sd with increasing birth order. Heritability has a larger effect on some psychiatric illnesses. But if you don"t have the right trigger, you won"t develop schizophrenia. Shared environments do have an effect on intelligence up to age 10. Shared environments do not have an effect on intelligence after age 10. Adults that were adopted as children become less similar in intelligence to adopted parents and more similar to biological parents. Deficiencies that are linked to 4 point reductions in ia. Understanding genetics allows us to learn more about the etiology of pathologies. Behavioral genetic studies also allows us to understand which (personality) traits are heritable.
