====== The effect of Third Variables: modification  ======
{{vimeo>141405336?large|The effect of Third Variables: modification}}

==== PowerPoint ====
  * {{:research_methods: Microlecture 7 4 The effect of a Third Variable III Interaction or Modification.pptx| The effect of a Third Variable III Interaction or Modification}}

{{tag>causal_hypothesis dependent_variable endogenous_concept independent_variable exogenous_concept trivariate specification interaction moderation moderator interaction_variable test_variable specification}}
{{tag>research_methods:ut research_methods:video}}
/* Number 7 4 */