Which of the statements below concerning related groups t-tests are true? 1--- T

Question

Which of the statements below concerning related groups t-tests are true?

1--- True False  In the within subjects design each person serves as his or her own control, and so power is increased relative to the independent groups design.

2--- True False  One advantage of the within subjects design over the independent groups design is that fewer subjects are needed.

3--- True False  The related groups t-test requires that the dependent variable be ordinal data.

4---True False  The assumption of independence in the related groups design is that the scores from one person to the next are independent of one another, and the two scores from the same person are also assumed to be independent.

5--- True False  In the matched pairs design, each person participates in both levels of the treatment

Explanation / Answer

1.True

2. True

3. False

4. False

5. False

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