Topic 3:
Statistics And Appraisal Of Evidence
Objectives:
1. Compare different types of variables.
2. Describe the influence “levels of evidence” have on practice changes.
Assignment 1:
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.
Assignment 2:
Describe the seven “levels of evidence” and provide an example of the type of practice change that could result from each.
