In research studies, the term "effect size" refers to
A. how much each treated and untreated person in the study changes.
B. the power of the statistical tests that are used to detect the impact of the independent variable.
C. how many subjects are included in a particular study.
D. the degree of external validity that the study has.
Answer: A
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The limbic system is important to motivation
a. True b. False
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