Independent Dependent and Extraneous Variables Discussion Question

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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.


2-) Describe the "levels of evidence" and provide an example of the type of practice change that could result from each.

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Explanation & Answer

Attached.

Outline
1. Part One
2. Part Two


Running head: DISCUSSION

1

Discussion
Name
Institution

DISCUSSION

2
Part One

For the case of the dependent variable, it is a variable that is of interest in the research
efforts. In this case, the manner that the dependent variable changes is what is of interest to the
researcher (Flannelly, Flannelly, & Jankowski, 2014). In this case, the researcher is going to
measure the change in the dependent variable using different statistical methods. For instance, a
dependent variable can be the ability of a person to run. In that case, the research can dwell on
the ability of a person to run as influenced by hunger. In the case of the dependent variable, it is
not manipulated by the researcher.
Additionally, in research, there is also an independent variable. In this instance, this is the
element of research that has an effect or impact on the variable which is dep...


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