====== The effect of Third Variables: confounding ====== {{vimeo>141405048?large|The effect of Third Variables: confounding}} ==== PowerPoint ==== * {{:research_methods: Microlecture 7 2 The effect of a Third Variable I Confounding.pptx| The effect of a Third Variable I Confounding}} {{tag>causal_hypothesis dependent_variable endogenous_concept independent_variable exogenous_concept trivariate explanation effect_of_a_third_variableconfounding confounding_variable test_variable explanation}} {{tag>research_methods:ut research_methods:video}} /* Number 7 2 */