Objectives: Compare different types of variables.Describe the influence “levels of evidence” have on practice changes Question1)Compare independent variables, dependent variables, and extraneous varia

Objectives:Compare different types of variables.Describe the influence “levels of evidence” have on practice changes Question1)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. With intext-citation and references within 5years Question 2)Describe the seven “levels of evidence” and provide an example […]