Institutional members access full text with Ovid®

Share this article on:

How Many Subjects Do I Need in My Research Sample?

Albert, Nancy M. PhD, RN, CCNS, CCRN, CHFN, NE-BC, FAHA, FCCM; O’Connor, Priscilla C. PhD, PMHCNS-BC

Section Editor(s): Buelow, Janice PhD, RN, FAAN

doi: 10.1097/NUR.0b013e31826fa91c
Departments: Using Research to Advance Nursing Practice

Author Affiliations: Senior Director, Nursing Research and Innovation, Nursing Institute, and Clinical Nurse Specialist, Kaufman Center for Heart Failure, Cleveland Clinic, Ohio (Dr Albert); Professor Emerita, the College of New Jersey, Ewing, Adjunct Faculty, LaSalle University, and Research Consultant, Penn Presbyterian, Philadelphia, Pennsylvania (Dr O’Connor).

The authors report no conflicts of interest.

Correspondence: Nancy M. Albert, PhD, RN, CCNS, CCRN, CHFN, NE-BC, FAHA, FCCM, 9500 Euclid Ave, J3-4, Cleveland, OH 44195 (

© 2012 Lippincott Williams & Wilkins, Inc.