====== 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 */