Friday, May 2, 2014

Threats to Internal Validity

The following are common threats to internal validity.  If you would like a recap over internal vs. external validity, visit this link. 



Resources:  Cooper J.O, Heron T.E, Heward W.L. Applied behavior analysis (2nd ed.) Upper Saddle River, NJ: Pearson; 2007.

2 comments:

  1. We appreciate the flexibility of Aba Therapy green pediatrics behavioral services. They offer both in-home and center-based therapy, which was perfect for our family's needs.

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