Interaction Plots with Continuous Moderators in R

Long ago (the first half of my grad school life), I created a model for a manuscript I submitted. The paper was focused on adolescents’ appraisals of their relationships with their mothers, fathers, and best friends. Specifically, I wanted to test whether the association between different motivations for social withdrawal (i.e., removing oneself from social activities and interactions) and internalizing symptoms varied as a function of perceived support in any one (or all three) of these relationships.

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