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Validity and Reliability of The Gerotranscendence Scale (gt10): A Pilot Study
Introduction: The theory of gerotranscendence was developed as an alternative to the theories of successful and active aging. It includes the cosmic dimension, the self, and the social dimension. An assessment instrument that measures the presence of gerotranscendence has not yet been used quantitatively in the Slovenian context. The aim of the study was to psychometrically test this instrument in the population of older workers. Methods: Thirty-one workers, aged between 56 and 72 years (M = 63 years), participated in the pilot study. A 4-point, 10 statement Gerotranscendence Scale (GT10) was used to collect data. Data were analyzed using Rasch analysis and exploratory factor analysis. Results: The Rasch analysis revealed that the GT10 was not unidimensional. The scale categories were advancing monotonously, with Infit MnSq and Outfit MnSq values ranging from 0.83 to 1.12. Item fit MnSq values were between 0.65 and 1.44. The person separation reliability was rather low (separation index = 1.45). Factor analysis revealed three factors that were consistent with the original Gerotranscendence scale. Cronbach α for the entire scale was 0.7. Discussion: The analysis showed that the psychometric properties of the Slovenian GT10 were acceptable. The scale could be used in the population of older workers.