Discussion Post: Measurement, Statistics and Appraisal
Compare independent variables, dependent variables, and extraneous variables. Describe two ways that researchers attempt to control extraneous variables. Support your answer with peer-reviewed articles.
Describe the levels of evidence and provide an example of the type of practice change that could result from each.
The response should include a reference list. Using one-inch margins, Times New Roman 12 pnt font, double-space and APA style of writing and citations.