Yuri is interested in finding out whether exercise affects boys' and girls' performance on a memory task. The dependent variable in this situation is
a. memory performance. c. the age of the children.
b. the amount of exercise. d. gender.
a
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A researcher compares people who have gone to college with those who have not. He predicts and finds that people with a college education are less likely to smoke or drink than those who never went. In this example, the researcher is using
A. randomly assigned participants. B. a manipulated independent variable. C. a nonmanipulated independent variable. D. a correlation coefficient.
The probability of making a Type II error can be reduced by maximizing:
a. within-groups variance. b. mortality. c. treatment effect. d. none of these
____ determines if the data from each participant replicates the same pattern as the data of other participants
a. Baseline replication b. Experimental replication c. Intrasubject replication d. Intersubject replication
What change did Pericles introduce to the Athenian Assembly?
a. He included male slaves owned by citizens. b. He included adult, native-born females. c. He included adult males who were not property owners. d. He dissolved it in favor of imperial government.