Under what circumstances would a score that is above the mean by 5 points appear to be very close to the mean?
a. When the standard deviation is much greater than 5
b. When the mean is much greater than 5
c. When the standard deviation is much less than 5
d. When the mean is much less than 5
Answer: a. When the standard deviation is much greater than 5
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Research involving the repetition of a study to see whether the earlier results can be duplicated are referred to as
a. verification studies. b. replication studies. c. clarification studies. d. duplication studies.
If fat levels decrease below our body's normal range, the hypothalamus ____
a. produces less insulin b. triggers the proliferation of fat cells c. slows metabolism d. releases growth hormone
In an experiment, the dependent variable is the behavior that is being a. manipulated. b. controlled
c. correlated. d. observed.
The treatment effect is measured as:
a. the difference between the experimental and control groups on the independent variable. b. the difference between the independent variable and the dependent variable. c. the difference between the scores of the experimental and control groups on the dependent variable. d. the difference between the independent variable and the confounding variables.