1. Scores on a predictor variable are centered by subtracting the sample mean from the scores on each variable is known as:
Answer
Correct Answer:
Centering
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2. In a disordinal interaction, the lines for a graph of a group means cross. This tells us that the rank order of A means differ across levels of the B factor is called ____________ .
Answer
Correct Answer:
Disordinal
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3. In some studies where naturally occurring groups are compared, the levels of a factor correspond to naturally occurring group memberships (e.g _________)
Answer
Correct Answer:
All of these
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4. The “effect” of a particular treatment, the treatment given to Group i, is estimated by the mean score on the outcome variable for that group (Mi) minus the grand mean (MY).
Answer
Correct Answer:
True
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5. Moderator variable is a predictor that has an interaction with another predictor variable.
Answer
Correct Answer:
True
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6. This term, as defined by Baron and Kenny (1986), is synonymous with interaction. Occasionally writers confuse the terms mediation and moderation, perhaps because they sound similar is known as:
Answer
Correct Answer:
Moderation
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