Several established personality theories are developed using the scientific method
Established personality theories and their associated assessment tools are routinely developed, tested, and refined using standard empirical and psychometric methods.
The claim is specific, empirical, and falsifiable regarding whether established personality theories utilize the scientific method in their development and validation. The retrieved papers consistently demonstrate that personality research relies heavily on psychometric validation, factor analysis, and structural equation modeling. Therefore, the claim is well-supported by the literature.
Pellegrino G, Meneghetti C, Carretti B, Feraco T. Can We Differentiate Between Self-Reported Skills and Traits? A Possible Refinement of the BESSI and Its Validity in Italian High School Students.. 2026. https://doi.org/10.1177/10731911261469521
Paper 4 uses confirmatory factor analyses and validation studies to evaluate personality and skill inventories, demonstrating standard empirical psychometric development.
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Moselli M, Quassoni A, D'Agostino A. Feelings of emptiness, pathological personality traits, and suicidal risk: an exploratory study using the modified subjective emptiness scale in an Italian general population sample.. 2026. https://doi.org/10.3389/fpsyg.2026.1748134
Paper 5 develops and validates personality-related assessment scales using confirmatory factor analysis and tests convergent validity.
Lu B, Hou W, Sun J, Wang L. An associative model of Chinese university teachers' personality traits and students' classroom engagement from the teacher's perspective: the mediating role of emotional regulation.. 2026. https://doi.org/10.3389/fpsyg.2026.1823628
Paper 7 constructs and validates a structural associative model connecting established personality inventories like the NEO-PI-R to psychological outcomes using structural equation modeling.
Parodi Camaño TA, Vidal Durango JV, Portnoy I. CEO narcissism and its influence on innovation capabilities of micro, small, and medium-sized enterprises: An empirical study in the Colombian context.. 2026. https://doi.org/10.1371/journal.pone.0341491
Paper 9 employs structured instruments and exploratory factor analysis to measure personality traits such as CEO narcissism within an empirical framework.
Zhou X, Wen S, Dong S. A measurement study of the relationship between personality traits and learning emotions among music learners: a psychometric analysis in an educational context.. 2026. https://doi.org/10.3389/fpsyg.2026.1810569
Paper 11 applies psychometric analysis and confirmatory factor analysis to validate personality inventories in an educational research context.
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