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.

Test Tuesday

Which of the following is NOT a characteristic of a good operational definition?

1.  Objective

2.  Concise

3.  Socially valid

4.  Clear

5.  Complete

3.  Socially Valid