The Big Five (or OCEAN) maps your personality onto five stable axes: Openness, Conscientiousness, Extraversion, Agreeableness and Emotional stability. Unlike box-style typologies, its dimensions are continuous and robustly predict a wide range of behaviours, including the durability of long-term relationships.
The five OCEAN dimensions
Intellectual curiosity, creativity, taste for novelty. A high score predicts interest in the arts, travel and philosophy.
Organisation, reliability, self-discipline. Predicts career success and relationship stability better than any other dimension.
Sociability, assertiveness, energy drawn from interaction. Extraverts drain when alone; introverts drain in groups.
Cooperation, empathy, trust. High A in both partners is the best predictor of an absence of destructive conflict.
Emotional instability, anxiety, rumination. An asymmetric high N creates a partner who absorbs the other's emotions.
What it reveals as a couple
Differences in O predict intellectual and cultural conflict. In C, a strong gap creates friction over running the household. An asymmetric N wears down the stable partner over time. By contrast, high A on both sides drastically lowers the frequency of destructive conflict.
The test is free, with no sign-up. At the end you get a badge, your score on each dimension, and an in-depth AI-generated analysis once you complete 3+ tests.
Frequently asked questions
Does the Big Five change over time?
Yes, but slowly. Scores are stable after age 30, with a slight rise in Conscientiousness and Agreeableness as you get older.
How is it different from the Mental Compass (Jungian types)?
The Big Five measures continuous, empirically validated traits. Jungian types split people into binary categories with low test-retest reliability. For research, the Big Five is preferred.
Is there an "ideal" score?
No. The Big Five describes profiles, not levels. What matters as a couple is relative alignment, not the absolute score.