Big Five Inventory

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Abstract The Big Five Inventory (BFI) is a widely accepted scale used to determine and describe personality variation along five dimensions. Given the general popularity of this measure, and the importance personality researchers place on it, it is crucial that the scale is credible and accurate. We decided to investigate the construct validity of the BFI using factor analysis applied to the multitrait–multimethod matrix (MTMM). Participants (n = 77) completed two different personality questionnaires: the BFI and the Northern Illinois University Survey (NIUS). The two traits examined, conscientiousness and openness to experience, were tested for potential correlation. Analyses from the MTMM provided evidence of convergent validity as well …show more content…

Scales used include the NIUS and the BFI. From the NIUS, items ranged on a scale of 1 (strongly disagree) to 7 (strongly agree) (ex: I tend to keep my things organized). From the BFI, items ranged on a scale of 1 (disagree strongly) to 5 (agree strongly) (ex: I see myself as someone who is curious about many different things). Demographics were presented at the end. We assessed the convergent validity between the NIUS and the BFI using the Big Five conscientiousness trait. We assessed the discriminant validity of the BFI using two of the Big Five traits: conscientiousness and openness to experience. Internal reliability of the NIUS and the BFI was found using Cronbach’s Alpha. Design/Procedure This was a correlational design. Variables measured were traits taken from the FFM. Traits include conscientiousness and openness to experience. They were measured using the NIUS and the BFI. Participants were administered a compiled version of both surveys by their professor. Every participant received the same written survey with the items presented in the same order. Time to complete the surveys was given during class. After data was collected from the surveys, the MTMM was used to measure potential correlations.

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