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Psychometric Evaluation of the Revised Professional Practice Environment (RPPE) Scale

Erickson, Jeanette Ives MS, RN, FAAN; Duffy, Mary E. PhD, FAAN; Ditomassi, Marianne MSN, RN, MBA; Jones, Dorothy EdD, RN, FAAN

Journal of Nursing Administration:
doi: 10.1097/NNA.0b013e3181a23d14
Articles
Abstract

Objective: The purpose was to examine the psychometric properties of the Revised Professional Practice Environment (RPPE) scale.

Background: Despite renewed focus on studying health professionals' practice environments, there are still few reliable and valid instruments available to assist nurse administrators in decision making.

Methods: A psychometric evaluation using a random-sample cross-validation procedure (calibration sample [CS], n = 775; validation sample [VS], n = 775) was undertaken.

Results: Cronbach α internal consistency reliability of the total score (r = 0.93 [CS] and 0.92 [VS]), resulting subscale scores (r range: 0.80-0.87 [CS], 0.81-0.88 [VS]), and principal components analyses with Varimax rotation and Kaiser normalization (8 components, 59.2% variance [CS], 59.7% [VS]) produced almost identical results in both samples.

Conclusions: The multidimensional RPPE is a psychometrically sound measure of 8 components of the professional practice environment in the acute care setting and sufficiently reliable and valid for use as independent subscales in healthcare research.

Author Information

Authors' Affiliation: Senior Vice President (Ms Erickson), Senior Nurse Scientist (Dr Duffy), Executive Director (Ms Ditomassi), and Director of Nursing Research (Dr Jones), Massachusetts General Hospital, Boston.

Corresponding author: Dr Duffy, Massachusetts General Hospital, 55 Fruit St, Boston, MA 02114 (mduffy4@partners.org).

© 2009 Lippincott Williams & Wilkins, Inc.