To compare the means of two randomly assigned groups of individuals, the appropriate test is:
a. a t-test for dependent groups.
b. a t-test for matched scores.
c. a t-test for independent groups.
d. any one of these
C
Psychology
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A hormone produced in the stomach and small intestines that increases appetite is ______
a. ghrelin c. insulin b. leptin d. glycerol
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