The Third Variable Problem (Intro Psych Tutorial #13)

In this video I explain the third variable problem in correlational studies, how matched samples and matched pairs can be used to eliminate a possible third variable, and why measurement alone can never truly solve the third variable problem.

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Enable closed-captioning or find a full transcript of this video here: http://www.psychexamreview.com/the-third-variable-problem/ ... https://www.youtube.com/watch?v=ZvHyuJBeCyk