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Adm. Sci. 2017, 7(2), 15; doi:10.3390/admsci7020015

How Well Does the CWEQ II Measure Structural Empowerment? Findings from Applying Item Response Theory

School of Nursing, University of British Columbia, Vancouver, BC V6T 2B5, Canada
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Academic Editor: Joan J. Wagner
Received: 8 March 2017 / Revised: 12 May 2017 / Accepted: 15 May 2017 / Published: 23 May 2017
(This article belongs to the Special Issue Healthy Work Environments)
View Full-Text   |   Download PDF [1857 KB, uploaded 23 May 2017]   |  

Abstract

The main purpose of this paper is to examine the psychometric properties of the original five-point CWEQ II using Item Response Theory (IRT) methods, followed by an examination of the revised three-point CWEQ II. (1) Background: The psychometric properties of the CWEQ II have not been previously assessed using more robust techniques such as IRT. (2) Methods: This is a secondary analysis of baseline data from 1067 staff nurses whose leaders had attended a leadership development program. Data were analyzed using a polytomous IRT model. (3) Results: The two versions of CWEQ II fit the SE data equally as each had only one poor-fitting item. For the five-point CWEQ II, discriminant ability was poor for a majority of the items; one item demonstrated a disordinal step difficulty parameter; and item reliability was supported for a relatively wider range of SE levels. The discriminant ability and reliability of items for the three-point CWEQ II was better than those of the five-point CWEQ II, but for a narrower range of SE levels; and the disordinal step difficulty parameter was resolved. (4) Conclusion: The appropriate use of each version of the scale depends on the conditions of the work setting targeted. View Full-Text
Keywords: Item Response Theory; structural empowerment; CWEQ II; psychometric testing Item Response Theory; structural empowerment; CWEQ II; psychometric testing
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Havaei, F.; Dahinten, V.S. How Well Does the CWEQ II Measure Structural Empowerment? Findings from Applying Item Response Theory. Adm. Sci. 2017, 7, 15.

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