In an experimental situation, the independent variable:
a. is a placebo.
b. is measured.
c. is held constant.
d. is manipulated.
Answer: d
Psychology
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When a correlation value among three or more interval-data variables is
required, then the appropriate statistical test is a. the multiple R b. the Pearson r c. the Spearman rs d. the multi-factor V
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After a vasectomy, a man: a. Will no longer ejaculate. b. Is sterile immediately
c. Will have difficulty achieving an erection for two to three months after surgery. d. Will continue to produce viable sperm, but they will have nowhere to go.
Psychology