n k
r a
F
,Essentials of Nursing Research
Appraising Evidence for Nursing Practice
n k
r a
F
, n k
FIGURE 2.1 • Evidence hierarchy: levels of evidence.
r a
F
, Essentials of Nursing Research
Appraising Evidence for Nursing Practice
• Denise F. Polit, PhD, FAAN
President, Humanalysis, Inc.
Saratoga Springs, New York
Professor, Griffith University School of Nursing
Brisbane, Australia
www.denisepolit.com
• Cheryl Tatano Beck, DNSc, CNM, FAAN
Distinguished Professor, School of Nursing, University of
Connecticut n k
r a
F
r a
F
,Essentials of Nursing Research
Appraising Evidence for Nursing Practice
n k
r a
F
, n k
FIGURE 2.1 • Evidence hierarchy: levels of evidence.
r a
F
, Essentials of Nursing Research
Appraising Evidence for Nursing Practice
• Denise F. Polit, PhD, FAAN
President, Humanalysis, Inc.
Saratoga Springs, New York
Professor, Griffith University School of Nursing
Brisbane, Australia
www.denisepolit.com
• Cheryl Tatano Beck, DNSc, CNM, FAAN
Distinguished Professor, School of Nursing, University of
Connecticut n k
r a
F
