1. The proportion of variance in scores for a dependent variable that is not predictable from independent variables included in the analysis is called __________ .
Answer
Correct Answer:
Error Variance
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2. An X2 variable is called a suppressor variable relative to X1 and Y if the partial correlation between X1 and Y controlling for X2 (r1Y.2) is larger in absolute magnitude than r1Y is known as:
Answer
Correct Answer:
Suppressor Variable
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3. Suppression is a X2 is said to suppress the X1, Y relationship if the relationship between X1 and Y either gets stronger or reverses sign when X2 is statistically controlled.
Answer
Correct Answer:
True
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4. _______________ is a second-order partial correlation between X1 and Y involves statistically controlling for two variables (such as X2 and X3) while assessing the relationship between X1 and Y.
Answer
Correct Answer:
Second-Order Partial Correlation
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5. In a first-order partial correlation, just one other variable is statistically controlled when the relation between X1 and Y is assessed is called __________ .
Answer
Correct Answer:
First-Order Partial Correlation
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6. A correlation between X1 and Y is said to be spurious if the correlation drops to 0 when you control for an appropriate X2 variable is known as:
Answer
Correct Answer:
Spurious Correlation
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7. A covariate is a variable that is included so that its association with the Y outcome and its confound with other predictors can be statistically controlled when assessing the predictive importance of other variables that are of greater interest is called ___________ .
Answer
Correct Answer:
Covariate
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8. ___________________ means researchers may use a variety of strategies to “control” variables other than the manipulated independent variable.
Answer
Correct Answer:
Experimental Control
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9. When information is available about at least one additional variable (Z) is known as:
Answer
Correct Answer:
Statistical Control
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