Introduction to Psychology 10th Edition by Rod Plotnik,Haig Kouyoumdjian

Exercise 35

Considering the various influences on personality development, researchers estimated that about 40% of the influence comes from (a) _____, which are inherited. About 27% of the influence on personality development comes from environmental factors that involve how each individual reacts and adjusts to his or her own environment; these are called (b) _____ factors. About 7% of the influence on personality development comes from environmental factors that involve parental patterns and shared family experiences; these are called _____ _____ factors. The remaining 26% of the influence on personality development cannot as yet be identified and is attributed to errors in testing and measurement procedures.