The extent of association of both situational and trait variables is well expressed in a correlation of 0.4 . The Personality Puzzle . Research Methods ps. Personality Traits and Behaviour ps. A pattern of behaviour that is relevant to more than one situation , and is therefore highly adaptive for that individual, is a personality trait.
Humans are highly similar to each other genetically.
What Heritabilities Can Tell Us Following Funder p182 1. Heritability coefficients and their interpretations tell us that heredity is important . The determinants of what we are as people does not depend exclusively on our environment, but has an important element of genetic causation . What Heritabilities Can Tell Us 2. This is True .