Richard seems to vacillate between periods of extreme productivity and periods of deep depression. During his productive periods he sleeps little, feels good, and he talks a lot and very quickly. Another way to describe Richards productive periods might be:
a. ADHD
b. Manic depressive disorder
c. Bipolar disorder Incorrect
d. Manic episodes
e. Depressive episodes
Answer: d. Manic episodes
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Which of the following is true?
a. We can rule out the possible effects of mediating variables in correlational research. b. As a correlation coefficient increases, we can be more sure that a causal relationship exists between the two variables c. It is not possible to correlate two variables that have different scales of measurement. d. Correlational research cannot demonstrate a causal relationship between two variables.
Which of the following statements regarding friendships is not true?
a. Friendship formation in middle school is motivated by the need to be accepted and the fear of rejection. b. Cross-sex friendships are rare in middle school. c. Friendships are very stable across the childhood years. d. The time spent with same-sex friends surpasses time spent with parents in preadolescence.
Researchers have found little support for the old adage that "birds of a feather flock together." In fact, people with different attitudes and beliefs are more likely to develop long-lasting relationships
a. true b. false
Following a divorce, a child may exhibit all of the following EXCEPT
a) sleep disturbance. b) depression. c) ADD/ADHD. d) anxiety.