Background. The aim of this study was to complete the third phase of development of the Preceptor Self -Assessment Tool (PSAT). Method. Psychometric test-ing was conducted via an online Qualtrics survey with statewide sample of 320 nurse preceptors from July to September 2020. Exploratory factor analysis and in-ternal consistency and scale reliability testing were con-ducted on the 64-item PSAT. Results. Exploratory factor analysis identified three factors: (1) inter/intrapersonal skills and attitudes, (2) knowledge and understanding, and (3) administrative resources and support. Cron-bach's alpha values for the PSAT-40 ranged from 0.978 to 0.998. Final scale reliability was excellent at 0.983. Conclusion. The Preceptor Self-Assessment Tool, now in its final form as the PSAT-40, has established con-struct validity and reliability and can be used to assess competency as a preceptor. Nurse educators can use this instrument to assess the needs of nurse preceptors and develop strategic nursing preceptor education pro-grams. J Contin Educ Nurs. 2022;53(11):491-499.
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