When an individual, who is part of a larger group, chooses to put forth less effort than other group members, _____ occurs

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

a. Id b. Ego c. Libido d. Superego

Your sister has been pregnant for a few months. She jokes that she is "eating for two" and has been eating quite a bit. You know that this is really not a good idea and are concerned that she will gain too much weight

How many more calories a day would you tell her that she would need to consume while she is pregnant? a. 2,000 b. 1,000 c. 800 d. 300