Professor McSpell designed an experiment to test her hypothesis that exercise will increase spelling ability. She divided children into three groups and had one group do 10 minutes of exercises,
one group do 30 minutes of exercises, and the third group do no exercise. She then tested all three groups of children to see how many words they could spell correctly on a spelling test. In this experiment, the scores on the spelling test serve as the
a. dependent variable.
b. independent variable.
c. control group.
d. reliability measure.
a
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When Sherri plays by herself, she has a special way of arranging her doll collection. Sherri is involved in ________ play
Fill in the blanks with correct word
Finnegan notices his wife talking to another man and flies into a jealous rage. According to the evolutionary perspective, Finnegan's behavior is designed to
a. assert his social intelligence. b. increase his confidence in the paternity of his offspring. c. deflect the death instinct outward instead of inward. d. increase the level of serotonin in his brain.