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Development and Validation of the Workplace Inequality Scale

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Title: Development and Validation of the Workplace Inequality Scale
Author: van der Werf, Dan
Department: Department of Psychology
Program: Psychology
Advisor: Son Hing, Leanne
Abstract: Inequality in the workplace is an important principle of distributive justice that is not explored enough. The majority of distributive justice literature in organizational contexts focuses on the principle of equity, with relatively little attention being paid to equality. The overall purpose of this dissertation was to create a reliable and valid measure of inequality in the workplace and to explore how inequality in the workplace relates to other important workplace constructs. In five studies I worked through the process of scale development to investigate the factor structure and validity of the Workplace Inequality Scale. Study 1 demonstrated that the items of the Workplace Inequality Scale were distinct from items of conceptually similar scales. Study 2 and Study 3 explored the factor structure of the scale, and found the scale was best represented by four distinct but related dimensions. Study 4 found evidence for the convergent and discriminant validity of each of the four dimensions of the Workplace Inequality Scale. Finally, Study 5 explored the relation between inequality and other workplace outcomes and found that inequality was an important predictor for many outcomes. Specifically, inequality was related to conflict, cohesion, stress, job satisfaction, and counter productive workplace behaviours, but inequality was not related to organizational citizenship behaviours or self-perceived health.
Date: 2019-01
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