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Related Experiment Video

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Qualitative and Quantitative Validation of Tools with Rating Scales Aimed at Assessing the Quality of University Service-Learning

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A psychometric evaluation of the Ethical Leadership Scale using Rasch analysis and confirmatory factor analysis.

Sedat Sen¹, Ahmet Gocen¹

¹Harran University.

The Journal of General Psychology

|October 26, 2020

Summary

This study validated the Ethical Leadership Scale (ELS) using confirmatory factor analysis and Rasch analysis. While generally psychometrically sound, removing one item improved its properties for ethical leadership research.

Keywords:

Confirmatory factor analysis Rasch model ethical leadership teachers validation

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Area of Science:

Educational Psychology
Leadership Studies
Psychometrics

Background:

Effective ethical leadership is crucial in educational settings.
The Ethical Leadership Scale (ELS) is a key instrument for measuring this construct.
Rigorous psychometric validation is essential for reliable leadership assessment.

Purpose of the Study:

To psychometrically characterize the Ethical Leadership Scale (ELS) using confirmatory factor analysis (CFA) and Rasch analysis.
To evaluate the scale's structure, reliability, and item performance in an international teacher sample.
To identify potential improvements for the ELS.

Main Methods:

Confirmatory Factor Analysis (CFA) to test the ELS's one-factor structure.
Rasch Rating Scale Model analysis for item fit, reliability, unidimensionality, local independence, and differential item functioning (DIF).
Data collected from 469 teachers across multiple countries.

Main Results:

CFA confirmed the one-factor structure of the 10-item ELS.
Rasch analysis indicated good item and scale performance, with high reliability.
Item 4 showed misfit, and Items 2 and 10 exhibited DIF across Turkish and European respondents; no gender DIF was found.

Conclusions:

The 10-item ELS demonstrates good psychometric quality for measuring ethical leadership.
Removing Item 4 enhanced the scale's psychometric properties, suggesting potential refinement.
The ELS is a reliable tool for assessing ethical leadership in diverse educational contexts.