If you conducted a multi-group study, you might want to see which groups differ from one another significantly. If you know in advance of your analysis which groups you want to compare, what test would you use?
a. Multiple t-tests
b. Post hoc comparisons.
c. Planned comparisons.
d. Repeated measures tests.
Question 2
When a researcher wants to compare the means of groups in a multi-group study, the typical test is
a. the correlation.
b. the analysis of variance.
c. the Student's t-test.
d. logistic regression.
Group therapy.
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