The best-fitting straight line on a scatter plot that minimizes the sum of the squared deviations of each data point from the line is called the:
A. optimal line.
B. least-squares regression line.
C. standard error line.
D. None of the answers is correct.
Answer: B
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According to Freud, presenting angry people with hostile humor should
A. lead to an increase in aggression. B. lead to a cathartic release of tension and an increase in aggression. C. lead to a cathartic release of tension and a decrease in aggression. D. increase anger, but not aggression.
Which of the following is not a term used to describe the suggestion that modern parents should return to a more traditional form of parenting, one practiced by our ancestors?
a. caretaker parenting c. natural parenting b. instinctive parenting d. attachment parenting
Melinda adopted an infant from Korea and was amazed because the child seemed to prefer spicy food from the time she began to eat solid food. What is the most likely reason for the child's preference? a. There is nothing that could account for this; it is just a coincidence
b. The child inherited a genetic predisposition to prefer spicy foods from her birth parents. c. Melinda gave the child spicy foods very early in life, and the child learned to like them. d. The child's birth mother probably ate the spicy foods normal for her culture while she was pregnant, which predisposed her daughter to like spicy foods.
In addition to depression, antidepressant drugs are also used in the treatment of
a. bipolar disorder. b. anxiety. c. delusions. d. schizophrenia.