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  1. E

    Zero order correlation negative, Direct effect Positive

    Hi, I am performing mediation analysis, and have first of all looked at the correlation between variables. The zero order correlation between X and Y is positive and significant. However in the mediation analysis, the direct effect of X on Y (after holding the mediator constant) has a...
  2. E

    SEM Mediation using bootstrapping approach

    Hi, I am performing mediation analysis using structural equation modelling (I'm using the lavaan package in 'R'). I am using the bootstrapping approach (rather than the causal steps approach) and just wanted to clarify two things; 1) My understanding is that using this approach, the the...