What it measures
Five traits, peer-reviewed
Openness, Conscientiousness, Extraversion, Agreeableness, Neuroticism - each with sub-facets so you see the texture, not just the headline.
- Openness - curiosity, abstract thinking, novelty preference
- Conscientiousness - reliability, organization, follow-through
- Extraversion - assertiveness, social energy, positive affect
- Agreeableness - cooperation, empathy, trust
- Neuroticism - emotional reactivity, stress sensitivity