A Social Psychologist Is Perplexed

A social psychologist is perplexed.Is it true that birds of a feather flock together,or do opposites attract? Confronted with these two contradictory pieces of folk wisdom,what is this social psychologist most likely to do?

A) Investigate the different situations in which each bit of common sense holds true.
B) Choose the explanation that makes more sense.
C) Ask his colleagues for their opinions.
D) Administer a questionnaire to see if some types of people fit into one category,while other types fit into the other category.
E) Choose a new topic for study.