The Most Comprehensive Personality Assessment Available
The IPIP-NEO-300 is the gold standard of Big Five personality assessment. With 300 items spanning 30 facets across all five domains, it captures nuances that shorter tests completely miss. At True5, we have built our entire platform around this instrument.
Why Length Matters in Personality Testing
A 10-question personality test can give you a rough estimate of where you fall on the Big Five. A 60-question test gets you closer. But the IPIP-NEO-300 is in a different league entirely. With 10 items per facet and 6 facets per domain, it measures each dimension with statistical reliability that short tests cannot achieve.
The 30 Facets: A Complete Map
Neuroticism: Anxiety, Anger, Depression, Self-Consciousness, Immoderation, Vulnerability
Extraversion: Friendliness, Gregariousness, Assertiveness, Activity Level, Excitement-Seeking, Cheerfulness
Openness: Imagination, Artistic Interests, Emotionality, Adventurousness, Intellect, Liberalism
Agreeableness: Trust, Morality, Altruism, Cooperation, Modesty, Sympathy
Conscientiousness: Self-Efficacy, Orderliness, Dutifulness, Achievement-Striving, Self-Discipline, Cautiousness
The True5 Difference
Most platforms that use the IPIP-NEO-300 give you a score and a short paragraph. True5 transforms your 300 responses into a personalized narrative report that reads like it was written specifically for you, because it was, by a combination of validated scoring and advanced AI interpretation calibrated on thousands of real profiles.
Validity and Reliability
The IPIP-NEO-300 has been validated in hundreds of peer-reviewed studies. It shows high test-retest reliability, meaning your scores are consistent over time. It shows strong convergent validity, meaning it correlates as expected with other established measures. And it shows excellent cross-cultural generalizability.
Who Takes the True5 Assessment?
Individuals seeking self-understanding. Couples wanting to understand each other. HR professionals building high-performing teams. Coaches working with clients on growth and development. Therapists seeking a structured personality baseline. Researchers studying personality at scale.
The Assessment Experience
The True5 assessment takes approximately 35-45 minutes. You rate 300 statements on a 5-point scale from Very Inaccurate to Very Accurate. The interface is clean, mobile-friendly, and designed to minimize fatigue. Most people report the process itself as insightful, not just the results.
Your Report: What You Get
Upon completion you receive a full personalized report covering all five domains and all 30 facets, with sections on career fit, relationship dynamics, health implications, growth edges, and a unique shadow-side analysis that explores the less visible consequences of your personality patterns.
Privacy and Data
True5 takes data privacy seriously. Your assessment data is stored securely, never sold to third parties, and you can request deletion at any time. We are fully GDPR compliant and committed to the ethical use of personality data.
Take the Test Today
The most accurate picture of who you are is 300 questions away. No pop psychology. No vague types. Just you, mapped with scientific precision, explained in language that makes sense.
True5. Know yourself better.
