Evidence-based practice is the "integration of the best research evidence with clinical expertise and patient values."
Sackett, Strauss, Richardson, et al., as cited in Maher, Sherrington, Elkins, Herbert, & Mosely, 2004, Challenges for evidence-based physical therapy: Accessing and interpreting high-quality evidence on therapy, Physical Therapy, 84(7), p. 645.
Evidence-Based Practice Pyramid Evidence increases in quality as you go up the pyramid.