To the extent that people ________ a role, they may come to feel that role-based behaviors reflect their ________ self

A theory is said to have heuristic value if __________

a) it stimulates debate and motivates researchers to pursue research related to the theory. b) it explains a fairly narrow area of behavior. c) it focuses attention on observations that cannot be readily explained in other ways. d) it provides solutions for real-world problems.

According to the article Zipping Up the Genes about twins reared apart, the correlations between the

personalities of the monozygotic twins were (a) positive and high (b) negative and moderately high (c) negative and very high (d) effectively zero