Trait Perspective Guidelines
By: Stefan Tonkins
The Big 5 Traits
The Big Five personality traits are openness, conscientiousness, extraversion, agreeableness, and neuroticism. These five factors are assumed to represent the basic structure behind all personality traits. They were defined and described by several different researchers during multiple periods of research.
The classic twin study design relies on studying twins raised in the same family environments. Monozygotic (identical) twinsshare all of their genes, while dizygotic (fraternal) twins share only about 50 percent of them, the same as non-twin siblings.
Nurture vs. Nature
"Nature versus nurture" is a psychology term related to whether heredity or the environment most impacts human psychological development (behavior, habits, intelligence, personality, sexuality, aggressive tendencies, and so on.