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If a Variable Is Measured in an Experiment at Time

Question 3

Multiple Choice

If a variable is measured in an experiment at time 1 (pretest) and again at time 2 (posttest) ,the most appropriate t-test would be

A) independent samples t-test
B) equal variances t-test
C) related samples t-test
D) none of the above,you cannot use a t-test with this data

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