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Big Five Personality Test

How do you tend to think, feel, and act? Rate 120 statements about your usual behavior to explore five broad personality traits and their thirty facets.

Answer for how you usually are

Choose how accurately each statement describes you in general, rather than how you wish to be. There are no right or wrong answers.

You will see ten statements at a time in the published order. You can go back and change responses before finishing.

Choose a comparison group from the published sample. This changes the percentile comparison, not your raw scores.

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How scoring and comparison work

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Two learners reflecting on a tablet in a sunlit study room

How scoring and comparison work

The statements come from the IPIP-NEO-120

John A. Johnson developed this 120-item public-domain inventory to measure five broad traits and thirty narrower facets. This test keeps the wording and administration order from Table 1 of Johnson (2014), including the original wording where other versions differ.

Scores use the published scale

Responses run from 1 for Very Inaccurate to 5 for Very Accurate. Reverse-keyed responses score as 6 minus the response. Each facet sums four item scores, giving 4 to 20. Each domain is the mean of its six facet sums, also 4 to 20. Domain norms do not use a 24-item sum.

The comparison sample has limits

The means and standard deviations come from Kajonius and Johnson (2018), Table 1: 320,128 anonymous, self-selected US online volunteers aged 19 to 69. The sample was mostly young, with a mean age of 28.13. It is not representative of the US population or of people worldwide. Everyone, men, and women use the published overall, male, and female values respectively; there is no age adjustment.

Percentiles are estimates

For each scale, z equals your score minus the group mean, divided by its standard deviation. The normal cumulative distribution gives an estimated percentile. The papers describe frequency anchors from almost never to almost always; the published questionnaire uses accuracy anchors. We retain the questionnaire’s original accuracy scale and its 1 to 5 coding.

Use the profile for reflection

The short facet scales are intended for research, not important decisions about individuals. This self-report test is not a clinical assessment, diagnosis, or hiring tool. Mood, interpretation, and the comparison sample affect the result. The Liberalism facet includes US voting items and is culturally specific.

The instrument is in the public domain

IPIP items and scales may be copied and used without permission or fees. This is the IPIP-NEO-120, not the commercial NEO PI-R instrument. The public-domain status covers the IPIP material.

Published sources

Johnson, J. A. (2014). Measuring thirty facets of the Five Factor Model with a 120-item public domain inventory: Development of the IPIP-NEO-120. Journal of Research in Personality, 51, 78-89.

Kajonius, P. J., & Johnson, J. A. (2018). Sex differences in 30 facets of the five factor model of personality in the large public (N = 320,128). Personality and Individual Differences, 129, 126-130.