A statistician adds all of the test scores for a group of participants and then divides the sum by the number of participants. The result of his calculation is the ____________ of the test scores
a. arithmetic mean
b. effect size
c. p value
d. standard deviation
Answer: a
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Focusing on how a problem makes you feel rather than addressing the problem itself is called _______________-focused coping
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A(n) _____ design combines elements of both longitudinal and cross-sectional designs
Fill in the blank(s) with correct word
The medulla is considered part of the brain rather than the spinal cord because it ____.
A. developed later in evolution B. is contained in the skull C. develops from a separate group of neurons D. is composed only of interneurons
Which of the following is NOT one of the steps of analyzing scores on measures with multiple items?
a. Reverse-score if necessary b. Calculate Cronbach’s alpha c. Compute an average d. Remove outliers