Evidenced-based practice (EBP) is applying or translating research findings in our daily patient care practices and clinical decision-making.
It is the framework for your clinical decision-making process.
It is the integration of:
As you move up the pyramid, the study designs are more rigorous and are less biased.
The level of evidence can be defined by the type of question. Levels of evidence for a "Therapy" question are different from the levels of evidence for an "Etiology" question. Please review the following from The Centre for Evidence-Based Medicine at Oxford:
Evidence Based Practice resources from the American Speech-Language-Hearing Association