Which of the following measures of effect size does not give the portion of variance account for?
a. Eta Squared
b. Omega squared
c. R squared
d. Cohen's D
Ans: d. Cohen's D
Psychology
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Out of a sample of 100 marriages occurring today, how many would be expected to end in divorce?
a. 20 b. 40 c. 60 d. 80
Psychology
A researcher computes a correlation coefficient and determines that it is zero. This finding indicates that
a. a perfect correlation exists. b. there is no relationship between the variables. c. the researcher has made an error in the computation. d. as one variable increases, the other variable decreases.
Psychology