Compare independent variables, dependent variables, and extraneous variables

Evidence-based practice is the integration of individual clinical expertise with the best available external clinical evidence from systematic research and patient’s values and expectations into the decision making process for patient care. It is a fundamental skill to be able to identify and appraise the best available evidence in order to integrate it with your own clinical experience and patients values.Describe the four phases of critical appraisal and how to incorporate them into practice.using 200-300 words APA format with at least two references. References within last five years.