This study aimed to develop and validate the Difficult Person Scale (DDPS-35), a 35-item questionnaire designed to measure traits associated with difficult personalities including Grandiosity, Stubbornness, Rigidity, Impulsiveness, Defensiveness, Aggressiveness, and Callousness. A sample of 102 college students from diverse backgrounds participated in the study, with 87 males and 15 females. Exploratory Factor Analysis (EFA) revealed a seven-factor structure with satisfactory fit indices (χ2 = 245.68, df = 203, CFI = 0.93, RMSEA = 0.06), indicating a coherent underlying structure of the scale. Confirmatory Factor Analysis (CFA) confirmed the goodness-of-fit indices for the proposed model (χ2 = 126.84, df = 82, CFI = 0.96, RMSEA = 0.05), supporting the construct validity of the DDPS-35. Internal consistency analysis yielded a Cronbach's alpha coefficient of 0.89, indicating excellent reliability. These findings suggest that the DDPS-35 is a reliable and valid tool for assessing difficult personality traits among college students, with implications for intervention and support services.
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Deen Mohd Dar (2024) studied this question.
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