Testing the Reliability and Validity of the 108 Skills of Natural Born Leaders Self-Assessment

December 3, 2025

Testing the Reliability and Validity of the 108 Skills of Natural Born Leaders Self-Assessment

R. Lewis Steinhoff | 2016

Abstract

There are many leadership self-assessments. Warren Blank’s (2001) 108 Skills of Natural Born Leaders Self-Assessment (NBLSA) is one that has never been statistically validated. The current study, administered in the form of a survey, quantitatively examined the NBLSA for reliability and validity. Face validity draws upon the relationship of the NBLSA items to leadership theory, convergence measured against the Taking Charge instrument developed by Morrison and Phelps (1999), and discriminant validity compared against both the Interpersonal Deviance Scale and the Organizational Deviance Scale of the Deviant Behaviors instrument developed by Aquino, Lewis, and Bradford (1999). This study used DeVellis’ (2012) scale development guidelines. However, given the scale already exists, only the last three of eight steps were required. Analysis revealed there are six factors that capture the major categories of the NLBSA. The new factors showed good internal consistency, strong Pearson correlation coefficient reliability, and convergent validity. The six factors failed to show test–retest reliability and discriminant validity. Therefore, the NBLSA remains a nonvalidated instrument.

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