Please use this identifier to cite or link to this item: https://hdl.handle.net/10419/239793 
Year of Publication: 
2017
Citation: 
[Journal:] Administrative Sciences [ISSN:] 2076-3387 [Volume:] 7 [Issue:] 2 [Publisher:] MDPI [Place:] Basel [Year:] 2017 [Pages:] 1-15
Publisher: 
MDPI, Basel
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.
Subjects: 
Item Response Theory
structural empowerment
CWEQ II
psychometric testing
Persistent Identifier of the first edition: 
Creative Commons License: 
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Document Type: 
Article
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