The Big 5 Personality Model

The researchers based their study on the reasoning that cause-and-effect relations cannot run backwards in time. If one factor causes another, using the cause to predict future values of the effect should yield more successful predictions than using it to predict past values of the effect...

Neither personality traits nor individual answers to personality assessment statements could predict changes in body mass index. However, body mass index could predict future changes in the personality traits of conscientiousness and agreeableness. Individuals with lower body mass index v...

Conscientiousness is a personality trait characterized by the tendency to be organized, responsible, goal-oriented, and reliable, often associated with being diligent, punctual, and detail-oriented in one’s actions and work.

Agreeableness, on the other hand, is a p...

The associations were consistent with causal influences of body mass index on these personality traits, suggesting that either body weight or health status more generally may influence them. Body mass index may thus be among the currently poorly understood correlates of personality develo...