Journal of Research in Medical and Dental Science
eISSN No. 2347-2367 pISSN No. 2347-2545

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Validity and Reliability of the Nile Personality Assessment Tool Based on Enneagram for English-Speaking People

Author(s): Abdullah Demir, Ochilbek Rakhmanov and Senol Dane*

Abstract

Introduction: In a recent study, a new Turkish personality assessment tool, Nile Personality Assessment Tool (NPAT), was developed and validated based on the Enneagram principles. The aim of the present study was to validate the NPAT for English-speaking people and to test its reliability in English-speaking population.

Methods: After the translation and grammar validation of Turkish NPAT, the final tool was applied to a sample of 203 participants. The sample was drawn from 600 English-speaking community. Expert validation, convergent validity, test-retest, and internal consistency were applied. Its categorization was validated against the personality type classification made by an expert.

Results: Of the participants, 68 were females (33.5%), and 135 were males (66.5%). The mean age of the participants was 27.14±8.52 years. The Cohen’s Kappa for test-retest reliability of the NPAT was calculated as 0.89 (p<0.001). Also, there was a substantial agreement between test-retest measurements of the NPAT main personality types as well as the personality wings. Taking the author’s categorization as the gold-standard, the sensitivity and specificity of the NPAT in detecting the different personality types ranged from 65.0% to 100.0%. The overall performance of the NPAT was calculated as 89.9%.

Conclusion: It can be concluded that the NPAT (Nile Enneagram Personality Test) is a useful tool in identifying personality types according to the Enneagram principles in English-speaking people. 

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