A correlation coefficient provides two pieces of information about a relationship. They are the ______.
A. strength and direction of a relationship
B. direction and cause of a relationship
C. strength and prediction of each variable
D. direction and effect size of a relationship
Ans: A
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In Freud's theory of psychosexual development, the latency stage spans the majority of time children spend in elementary school. What is this stage characterized by?
A. a lack of concerns related to sexuality B. an increased concern about sexuality C. an aversion to superego development D. increased aggression toward the same-sex parent
Angel feels anxious almost all the time. She finds herself worrying that her husband will leave her (although he has never shown any indication that he would), that she chose the wrong job, that her children might not be safe at school, and that she might get sick and leave her family in financial ruin. She calls her husband almost every day to find out when he will be home. She complains to her physician that she is always tired but cannot sleep or relax. Angel's most likely diagnosis is __________.
A. generalized anxiety disorder B. generalized social phobia C. panic disorder with agoraphobia D. obsessive-compulsive disorder
The genetics research on depression suggests that:
a. one gene is responsible for producing the risk for mood disorders b. a combination of genes produces the risk for mood disorders c. genetics play little if any role in mood disorders d. environmental factors play little if any role in mood disorders
Anything that increases the likelihood that a behavior will occur more frequently is called a(n) __________
a. aversive control b. punishment c. antecedent d. reinforcer