RESEARCH METHODOLOGY

STATISTICAL TECHNIQUES AND TOOLS

MULTIPLE REGRESSION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
When an interaction is significant, what is the researcher’s next step? Evaluate
A
the significance of each predictor (i.e., evaluate the main effects)
B
the conditional slopes at a fixed level of the independent variable(s)
C
the degree to which one independent variable impacted the others
D
whether it introduced multicollinearity into the model
Explanation: 

Detailed explanation-1: -Use the p-value for an interaction term to test its significance.

Detailed explanation-2: -In regression, an interaction effect exists when the effect of an independent variable on a dependent variable changes, depending on the value(s) of one or more other independent variables.

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