Carlos decides to join a fraternity. He puts in a lot of effort but is treated very poorly by his future brothers. Because of his effort, Carlos is most likely to __________ his fraternity brothers

Antidepressants work by ________ the activity of ________

a. decreasing; norepinephrine and serotonin b. decreasing; dopamine c. increasing; norepinephrine and serotonin d. increasing; dopamine

In attempts to change attitudes, people with ________ are more easily influenced than others

a. high self-esteem b. low self-esteem c. low achievement need d. high achievement need