Sources of Possible Bias in Evidence-Based Reviews Evidence-based practice (EBP) is defined as “an approach in which current, high-quality research evidence is integrated with practitioner expertise and client preferences and values into the process of making clinical decisions” (ASHA, 2005). An approach such as EBP relies on the practitioner being able to locate high quality research ... Article
Article  |   April 01, 2007
Sources of Possible Bias in Evidence-Based Reviews
Author Affiliations & Notes
  • Roberta J. Elman
    Aphasia Center of California, Oakland, CA
  • Roberta J. Elman is president and founder of the Aphasia Center of California, the first independent, not-for-profit Aphasia Center established in the United States. Dr. Elman has more than 25 years of experience in the assessment and treatment of aphasia. She has authored numerous professional publications and has edited a book entitled Group Treatment of Neurogenic Communication Disorders: The Expert Clinician’s Approach, 2nd Edition. Dr. Elman is an ASHA Fellow and board certified by the Academy of Neurologic Communication Disorders and Sciences.
    Roberta J. Elman is president and founder of the Aphasia Center of California, the first independent, not-for-profit Aphasia Center established in the United States. Dr. Elman has more than 25 years of experience in the assessment and treatment of aphasia. She has authored numerous professional publications and has edited a book entitled Group Treatment of Neurogenic Communication Disorders: The Expert Clinician’s Approach, 2nd Edition. Dr. Elman is an ASHA Fellow and board certified by the Academy of Neurologic Communication Disorders and Sciences.×
Article Information
Research Issues, Methods & Evidence-Based Practice / Articles
Article   |   April 01, 2007
Sources of Possible Bias in Evidence-Based Reviews
SIG 2 Perspectives on Neurophysiology and Neurogenic Speech and Language Disorders, April 2007, Vol. 17, 3-6. doi:10.1044/nnsld17.1.3
SIG 2 Perspectives on Neurophysiology and Neurogenic Speech and Language Disorders, April 2007, Vol. 17, 3-6. doi:10.1044/nnsld17.1.3
Evidence-based practice (EBP) is defined as “an approach in which current, high-quality research evidence is integrated with practitioner expertise and client preferences and values into the process of making clinical decisions” (ASHA, 2005). An approach such as EBP relies on the practitioner being able to locate high quality research in order to provide data that informs his/her clinical decision-making. ASHA has adopted the position that speech-language pathologists (SLPs) and audiologists “incorporate the principles of evidence-based practice in clinical decision making to provide high quality clinical care” (2004, 2005).
Evidenced-based medicine (EBM) laid the foundation for EBP, and physicians, such as Sackett and his colleagues, were early proponents for EBM. They stated
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