Big Five Personality Test (IPIP-NEO-300)IPIP-NEO-300
~60 min · 300 questions · Free partial report
The most comprehensive public-domain Big Five personality assessment available. With 300 items measuring 5 domains and 30 facets (10 items per facet), this test provides maximum measurement precision for each personality trait. Based on the original IPIP representation of the NEO-PI-R.
The most comprehensive public-domain Big Five assessment available, delivering research-grade precision across 30 personality facets with 300 items.
- Obtain the most precise possible measurement of your Big Five personality profile. With 10 items per facet, this assessment maximizes reliability and provides nuanced insights across all 30 facets of personality.
No signup required to start. The Partial Report is free at the end. The Complete costs $14.99, if and when you want it.
What this test measures
N
Neuroticism
Tendency to experience negative emotions such as anxiety, anger, depression, and vulnerability to stress. Reflects emotional reactivity and susceptibility to psychological distress versus emotional stability and resilience under pressure.
F
Friendliness
Genuine liking of other people and open demonstration of positive feelings toward others. Friendly individuals make friends quickly and form close, intimate relationships easily.
A
Anxiety
Tendency to experience worry, nervousness, and fear. Anxious individuals feel tense, jittery, and anticipate danger even when none is present.
S
Self-Efficacy
Confidence in one's ability to accomplish things. High scorers believe they possess the intelligence, drive, and self-control necessary for success.
T
Trust
Belief that most people are fair, honest, and have good intentions. High scorers assume benevolence in others; low scorers see others as selfish and potentially dangerous.
I
Imagination
Engagement with fantasy and the creation of a richer, more interesting mental world. For imaginative individuals, the real world is often too plain and ordinary.
E
Extraversion
Degree of engagement with the external world through sociability, assertiveness, positive emotionality, and energy. Extraverts are energetic and seek stimulation in the company of others, while introverts prefer solitude, quiet, and lower stimulation.
M
Morality
Candor, frankness, and sincerity in dealings with others. High scorers see no need for pretense or manipulation; low scorers are more guarded and believe deception is sometimes necessary.
A
Anger
Propensity to feel enraged when things do not go as planned, with sensitivity about being treated fairly and a tendency toward irritability, resentment, and bitterness.
O
Orderliness
Preference for organization, structure, and neatness. High scorers maintain routines, schedules, and love lists; low scorers tend to be disorganized.
G
Gregariousness
Preference for the company of others, finding social interaction stimulating and rewarding. Gregarious individuals enjoy the excitement of crowds and group activities.
A
Artistic Interests
Love of beauty, both in art and in nature. High scorers become easily involved and absorbed in artistic and natural events; low scorers lack aesthetic sensitivity.
A
Assertiveness
Tendency to speak out, take charge, and direct the activities of others. Assertive individuals are natural leaders in group settings and express their opinions confidently.
D
Depression
Tendency to feel sad, dejected, and discouraged. High scorers lack energy and have difficulty initiating activities; low scorers are free from persistent depressive feelings.
D
Dutifulness
Strong sense of duty and moral obligation. High scorers follow rules, keep commitments, and feel bound by obligations; low scorers find regulations confining.
E
Emotionality
Access to and awareness of one's own feelings. High scorers have good access to their emotions and consider them an important part of life; low scorers are less aware of their feelings.
A
Altruism
Finding genuine reward and self-fulfillment in helping others. High scorers find helping others intrinsically rewarding; low scorers may view requests for help as impositions.
O
Openness
Dimension of cognitive style distinguishing imaginative, creative, and intellectually curious individuals from conventional, practical, and down-to-earth ones. Reflects openness to new ideas, aesthetic sensitivity, and willingness to examine unconventional values.
A
Adventurousness
Eagerness to try new activities, travel to foreign lands, and experience different things. High scorers find routine boring and seek novelty.
A
Achievement-Striving
Drive to excel, pursue lofty goals, and work toward excellence with a strong sense of direction and purpose.
C
Cooperation
Willingness to compromise and avoid confrontation. High scorers dislike confrontations and readily defer to others to maintain harmony.
A
Agreeableness
Individual differences in concern with cooperation, social harmony, and consideration for others. Agreeable individuals value getting along, are trusting and helpful, while disagreeable individuals prioritize self-interest over social harmony.
S
Self-Consciousness
Sensitivity to embarrassment and social discomfort, with excessive worry about others' judgments and exaggerated fears of criticism and ridicule.
A
Activity Level
Pace and vigor of daily living. Active individuals lead fast-paced, busy, energetic lives; low scorers follow a slower, more leisurely, relaxed pace.
I
Immoderation
Difficulty resisting strong cravings and urges, with a tendency toward short-term pleasures and immediate gratification even when long-term consequences are foreseen.
E
Excitement-Seeking
Need for environmental stimulation and pursuit of thrills. High scorers love bright lights and hustle-and-bustle, are likely to take risks and seek thrills.
I
Intellect
Love of playing with ideas, open-mindedness toward new and unusual ideas, and enjoyment of intellectual debate and philosophical discussion.
M
Modesty
Humility and reluctance to claim superiority over others. High scorers do not like to claim they are better than other people; low scorers may be seen as arrogant.
S
Self-Discipline
Ability to persist at difficult or unpleasant tasks until they are completed, overcoming reluctance and distractions.
C
Conscientiousness
The way in which individuals control, regulate, and direct their impulses. Reflects planning, organization, persistence, and dependability versus spontaneity, flexibility, and a tendency to act on impulse rather than deliberation.
S
Sympathy
Tender-heartedness and compassion. High scorers feel the pain of others vicariously and are easily moved by human need; low scorers make judgments based on objective truth rather than mercy.
L
Liberalism
Psychological readiness to challenge authority, convention, and traditional values. High scorers question established norms; low scorers prefer the security of conformity to tradition.
C
Cheerfulness
Tendency to experience positive emotions including happiness, enthusiasm, optimism, and joy. High scorers typically experience a range of positive feelings across situations.
V
Vulnerability
Susceptibility to panic, confusion, and helplessness when under pressure or stress. High scorers have difficulty coping with stressful situations; low scorers remain composed under duress.
C
Cautiousness
Disposition to think through possibilities and consequences before acting. High scorers take their time when making decisions.
Discover where you stand on each dimension.
Start for free →No prior signup. Free partial result immediately.
From first click to report.
The process is simple: you respond, the system calculates, and the result appears. No prior signup, no form, no waiting.
- 1
Click "Start for free"
No signup required to start. You identify yourself at the end, when you want to save the result. The test opens immediately.
- 2
Answer the questions
One at a time, scale of 1 to 5. Visible progress bar. You can pause and resume from any device after identifying yourself.
- 3
Get the Partial Report
Immediate and free. A text summary of each dimension, with indication of high, medium, or low.
- 4
Decide if you want the Complete
The Partial already delivers value. The Complete adds percentiles, norm comparison, charts, applied recommendations, and a verifiable Certificate.
- 5
Explore in the Integrative Chat
Talk to an AI about your results. Ask how your profile applies to your career, what a high score means, or compare with other tests.
The Partial is yours right away. The Complete, when it makes sense.
| Free and paid, side by side | Partial Report (free, always) | Complete Report ($14.99) |
|---|---|---|
| Interpretive text per dimension, generated from your answers | ✓ | ✓ |
| Raw score for each dimension | ✓ | ✓ |
| One-paragraph overview reading | ✓ | ✓ |
| Everything in the Partial, expanded to 3–5 paragraphs per dimension | — | ✓ |
| Percentile per dimension, compared to reference norms | — | ✓ |
| Inter-dimensional chart with accessible data table | — | ✓ |
| Applied recommendations: career, relationships, self-care | — | ✓ |
| Certificate with public verification and PDF download | — | ✓ |
- ✓Everything in the Partial, expanded to 3–5 paragraphs per dimension
- ✓Percentile per dimension, compared to reference norms
- ✓Applied recommendations: career, relationships, self-care
- ✓Certificate with public verification and PDF download
You only pay after completing the test, if you want to go beyond the Partial.
- ✓Interpretive text per dimension, generated from your answers
- ✓Raw score for each dimension
- ✓One-paragraph overview reading
Payment via PIX (instant) or credit card. Access for 1 year. After that, the report stays visible in read-only mode.
What you receive.
Radar chart with percentiles. Illustrative example.
Executive Summary
"You present a profile marked by high intellectual curiosity and above-average conscientiousness, with moderate extraversion and balanced emotional reactivity. This combination suggests someone who seeks novelty in a disciplined way."
Illustrative example.
Scale analysis
The Complete Report details the practical meaning of each score in 3 to 5 paragraphs, personalized by your combined profile. It is not a generic text by range; the analysis crosses all dimensions to generate specific observations about you.
Applied recommendations
Practical recommendations by area (career, relationships, studies, self-care), based on your combined profile. Certificate with verifiable QR and PDF download.
Why trust this instrument.
The IPIP-NEO-300 (Goldberg, 1999) is the original full-length representation of the NEO-PI-R using International Personality Item Pool items. With 10 items per facet across 30 facets and 5 domains, it provides maximum measurement precision. Facet-level alpha reliabilities typically range from 0.78 to 0.92, making it suitable for research and detailed individual assessment.
- Authors:
- Goldberg, Johnson
- Year:
- 1999
- Origin:
- US
- Range
- α 0.72 – 0.95(35 scales)
- Average
- α 0.84(good)
Cronbach's alpha. Values above .70 are acceptable; above .80, good.
- Goldberg, L. R. (1999). A broad-bandwidth, public-domain, personality inventory measuring the lower-level facets of several Five-Factor models. In I. Mervielde et al. (Eds.), Personality Psychology in Europe (Vol. 7, pp. 7-28). Tilburg University Press.
The theory behind this test.
Five-Factor Model
Trait taxonomy organizing personality into five broad domains — Neuroticism, Extraversion, Openness, Agreeableness, Conscientiousness — each decomposable into six facets.
Learn more about this theory →Target Audience
Adults (18+) seeking maximum precision in personality measurement; researchers and clinicians
Recommended ages: 18+
Questions the report answers.
- N
How emotionally reactive are you?
High scorers tend to experience negative emotions more intensely and frequently. Low scorers are typically calm, emotionally stable, and less easily upset.
- E
How much energy do you draw from social interaction?
High scorers are outgoing, energetic, and seek stimulation in social settings. Low scorers prefer quieter environments and need less external stimulation.
- O
How open are you to new experiences and ideas?
High scorers are imaginative, curious, and appreciate art and variety. Low scorers prefer routine, practicality, and conventional approaches.
- A
How do you balance cooperation and self-interest?
High scorers are trusting, altruistic, and cooperative. Low scorers tend to be more competitive, skeptical, and willing to challenge others.
- C
How organized and goal-directed are you?
High scorers are disciplined, organized, and achievement-oriented. Low scorers are more flexible and spontaneous but may struggle with follow-through.
Who benefits most.
Personality enthusiasts
Individuals who are deeply interested in personality science and want the most detailed and precise profile available.
Researchers and clinicians
Professionals who need high-reliability personality data for research, counseling, or coaching purposes.
Repeat test-takers
People who took the IPIP-NEO-120 or Mini-IPIP and want to go deeper into their personality profile with maximum precision.
Frequently asked questions
What does this test measure?
It measures the same Big Five domains and 30 facets as the IPIP-NEO-120, but with 10 items per facet instead of 4, yielding higher reliability and precision.
How long does it take?
Approximately 45-60 minutes. The 300 items require more time but deliver the most precise results.
Is this test scientifically validated?
Yes. The IPIP-NEO-300 was the original IPIP representation of the NEO-PI-R, developed by Goldberg (1999). Facet-level alpha reliabilities typically range from 0.78 to 0.92.
When should I choose this over the 120-item version?
Choose the 300-item version when you want the highest possible measurement precision, are willing to invest more time, or need research-grade accuracy in your facet scores.
Combine instruments for a fuller profile.
Each test measures different dimensions. The Integrative Chat crosses the results of all tests you complete, revealing connections no single instrument can show.
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Start for free →Big Five Personality Test (IPIP-NEO-300)
No signup, no time limit. The Partial is free at the end.
The Complete costs $14.99, if and when you want it.
This test is a self-knowledge tool for informational purposes. It does not constitute a psychological or clinical diagnosis and does not replace evaluation by a qualified professional. The report indicates the AI model used in text generation.
This test uses items from the International Personality Item Pool (IPIP), which is in the public domain. The 300-item set represents the full IPIP-NEO inventory as originally developed by Goldberg (1999).