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2. A form of the t test that is appropriate when scores come from a repeated-measures study, a pretest–posttest design is called _____________ .
Answer
Correct Answer:
Paired-Samples t Test
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3. A change score (sometimes denoted by d for “___________ ”) is computed by subtracting the pretest score from the posttest score: d = Ypost – Ypre.
Answer
Correct Answer:
Difference
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4. In a simple pretest–posttest design in which the same behavior or attitude is measured twice is known as:
Answer
Correct Answer:
Change Score
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5. In which design, the same response is measured for the same participants both before and after an intervention. This may be in the context of a true experiment.
Answer
Correct Answer:
Pretest–Posttest Design
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6. In analysis of covariance, we assume no treatment-by-covariate interactions; this is also called ___________ .
Answer
Correct Answer:
Homogeneity of regression assumption
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7. An assumption required for analysis of covariance is that there must not be a treatment (A)–by–covariate (Xc) interaction is known as:
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8. Adjusted Mean is an adjusted Y means created by subtracting the part of the scores that are related to or predictable from the covariates.
Answer
Correct Answer:
True
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9. When we obtain a substantially smaller residual term by including a covariate in our analysis is called ___________ .
Answer
Correct Answer:
Error Variance Suppression
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10. When individual participants cannot be randomly assigned to treatment and/or control groups, we often find that these groups are nonequivalent is known as:
Answer
Correct Answer:
Nonequivalent Control Groups
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