Ethical leadership at work questionnaire (ELW): Development and validation of a multidimensional measure.

Kalshoven, K., Den Hartog, D. N., & De Hoogh, A. H. (2011). Ethical leadership at work questionnaire (ELW): Development and validation of a multidimensional measure. The Leadership Quarterly, 22(1), 51–69. https://doi.org/10.1016/j.leaqua.2010.10.003

In this foundational study, the authors develop and validate the Ethical Leadership at Work (ELW) questionnaire, a multidimensional tool designed to measure seven distinct facets of ethical leadership: fairness, power sharing, role clarification, people orientation, ethical guidance, integrity, and concern for sustainability. Through a series of empirical tests, the researchers demonstrate the questionnaire's reliability and its ability to predict employee outcomes such as trust, organizational citizenship behavior, and leader effectiveness. The article is significant because it moves beyond one-dimensional views of ethics, providing a nuanced framework that acknowledges the complexity of leader-follower interactions. For researchers, this source provides a psychometrically sound instrument for quantitative analysis. For practitioners, it identifies the specific behaviors that contribute to an ethical organizational climate. The study’s rigorous methodology makes it a cornerstone reference for any academic investigation into the measurable impact of ethical leadership within corporate structures.