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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