The tendency to believe vague generalities about one's personality is called the __________ effect

History-graded influences explain why ___________ tend to be alike in ways that set them apart from people born at other times.

Fill in the blank(s) with the appropriate word(s).

A) Discuss why psychologists are interested in studying identical twins that have been raised in different environments. b) What is the main conclusion of these studies?

What will be an ideal response?