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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.