Around the age of _____ children acquire the answer-obviousness rule

According to optimal distinctiveness theory, which social identity will best satisfy a person's needs?

a. thinking of one's self as a human being b. thinking of one's self as a member of one's immediate family c. thinking of one's self as an artist d. thinking of one's self as a member of a particular fraternity or sorority

An internal lack or deficiency is referred to as

a. a drive. b. a goal. c. a need. d. homeostasis.