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July 26, 2026Journal of Leadership & Organizational Studies

Creating the Conditions for Effective Leadership: Validation of an Open-Access Leadership Assessment (GILL 2.0)

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Authors

SWSteven L. WintonMGMatthew J. GrawitchRGRoger Gill

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Overview

Randomized trial validates the GILL 2.0 assessment in leadership effectiveness, suggesting its utility in coaching and education.

Key Points

  • To validate the GILL 2.0 assessment based on Gill's holistic leadership framework, focusing on core leadership conditions.
  • Conducted expert review and psychometric testing with a sample size of N = 479.
  • Used independent replication with a sample size of N = 537.
  • Performed exploratory and confirmatory factor analyses to assess the six-factor structure.
  • GILL 2.0 demonstrated strong model fit in both short and long versions.
  • Significant positive associations with proactive behavior, job satisfaction, and leadership effectiveness were observed.
  • Incremental validity showed GILL 2.0 explained additional variance beyond existing leadership measures.

Cite This Study

Winton et al. (2026) studied this question.

synapsesocial.com/papers/6a65a8c9d3aea3239cd790b5https://doi.org/10.1177/15480518261468114
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