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Power and Effect Size: Research Considerations for the Clinical Nurse Specialist

Burns, Karyl J. Ph.D., R.N., C.S.

Nursing Practice: Ce Feature Article

Frequently, a goal for a Clinical Nurse Specialist (CNS) is to determine whether research results are clinically meaningful and appropriate for adoption into practice. Often, the evaluation of research involves an examination of the efficacy and cost-effectiveness of the intervention under study. Attention to two concepts from research methodology-power and effect size-can help the CNS evaluate research findings and design studies to produce clinically meaningful results.

KARYL J. BURNS is a certified clinical nurse specialist in medical-surgical nursing and an Associate Professor of Nursing at the University of Connecticut.

© 2000 Lippincott Williams & Wilkins, Inc.