====== The effect of Third Variables: addition ====== {{vimeo>141405337?large|The effect of Third Variables: addition}} ==== PowerPoint ==== * {{:research_methods: Microlecture 7 5 The effect of a Third Variable IV Addition.pptx| The effect of a Third Variable IV Addition}} {{tag>causal_hypothesis probabilistic dependent_variable endogenous_concept independent_variable exogenous_concept trivariate test_variable addition}} {{tag>research_methods:ut research_methods:video}} /* Number 7 5 */