In psychoanalysis, which component of personality is a "referee" between the needs of instinct and the demands of society?

If asked to list the top three causes of death in teens, you should AVOID saying

a. car accidents. b. murder. c. suicide. d. infections.

Linguistic turn-taking in conversations may have its origins in

a. children monitoring their speech. c. mutual imitation. b. monologues d. egocentrism.