![]() ![]() Main ideal: in a simple mediation model you are looking at whether variation in X is associated with variation in M, which in turn is associated with variation in Y. ( c’ ) the direct effect, the relationship between X-Y without mediation. ![]() ( bi ) the path from M to Y the relationship between the mediator and the outcome ![]() ( ai ) the path from X to M the relationship between the predictor and the mediator In a Simple Mediation Model with only one mediator (M1), 2 paths are added to the existing XY analysis, the a & b paths. Mediators (Mi): Mediators are conceptualized as the mechanism through which X influences Y. If a researcher’s goal is to test howX exerts its effect on Y, they may postulate a model in which one or more intervening variables (M) is located between X and Y. The goal of a Simple Mediation Model analyses: to establish the extent to which the predictor variables (X) influences an outcome variable (Y) through one or more mediator variables (Mi). Model 4 is commonly referred to as the Simple Mediation Model. ![]()
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