Originally developed in 1949, the big 5 personality traits is a theory established by D. W. Fiske and later expanded upon by other researchers including Norman (1967), Smith (1967), Goldberg (1981), and McCrae & Costa (1987).
Traits of the Big 5 (OCEAN)
Openness: Represents how willing a person is to try out new things
Conscientiousness: Represents an individual’s desire to be careful and diligent
Extroversion: Measures how energetic, outgoing and confident a person is
Agreeableness: Refers to how an individual interacts with others
Neuroticism: Represents how much someone is inclined to experience negative emotions.
Effect of aging on this framework
As people age
Agreeableness and conscientiousness might have a slight increase
Openness, extraversion and neuroticism might have a slight decrease
