PLease help me with this Psychology Questions for HW?

Research studies on the occurrence of adolescent emotional distress have shown that

A) adolescents suffer less emotional stress than younger children or adults.

B) most adolescents are happy and reasonably well-adjusted.

C) emotional distress is widespread and inevitable in most societies.

D) Adolescence is typically a time of ‘‘storm and stress.”

In a study by Robert Thatcher and others, the electrical brain activity of a broad sample of individuals was measured. How were the findings relevant to Piaget’s theory of cognitive development?

A) Growth spurts that corresponded to the emergence of the stages were found.

B) Patterns of activity consistent with formal thinking were seen in adolescents.

C) An “egotism center” was located in children, but not adults.

D) Distinct processes related to assimilation and accommodation were isolated.

In a recent National Institutes of Health study that looked at whether people gain weight during the holiday season, research volunteers had their weight tracked for a year. The researchers found that, on average, the volunteers

A) did not gain weight.

B) gained weight during the holiday season, but lost what they had gained over the course of the next several months.

C) gained nearly ten pounds during the holiday season but lost about half over the year.

D) gained about a pound during the holiday season and kept the extra weight on over the year.

The finding that workers who were put in a special experimental room became more productive regardless of what changes were made is known as

A) Maslow’s hierarchy of needs.

B) arousal theory.

C) incentive theory.

D) the Hawthorne effect.

According to drive theory,

A) people are motivated primarily by curiosity.

B) a state of tension is unpleasant.

C people enjoy being in a state of physiological arousal.

D) experiencing a physiological need is rewarding.