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6 Cards in this Set

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  • Back
Partial Correlation
Used to observe how a specific bivariate relationship behaves in the presence of a third variable.
Direct Relationships
First order partial (ryx.z) does not differ much from the zero-order coefficient (ryx).
Discard the control variable.
Spurious and Intervening Relationships
First order partial (ryx.z) is much lower than the zero-order coefficient (ryx).
Incorporate the control variable into the analysis as an independent variable.
Causal mode. X and Z should be treated as independent variables.
Beta-weights (b*)
Standardized partial slopes.

Show the amount of change in the standardized scores of each independent variable while controlling for the effects of all other independent variables.
Coefficient of multiple Determination (R²)
Represents the proportion of the variance in Y that is explained by all the independent variables combined.