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Personality questionnaire library

Each personality questionnaire used on this site is printed here in full: its statements, the way it is scored, the licence it is used under and the paper behind it. A result is only as good as the questions behind it, so you can read the questions as well as the result.

Why we publish them

For every questionnaire on this site you can read each statement, see which ones are counted backwards, follow the arithmetic that turns your answers into a score, and check the licence it is used under and the paper that published it. Nothing is hidden behind the result, and nothing on these pages is typed by hand from memory: they are built from the same data the tests use.

How to read a questionnaire page

A page starts with the facts at a glance: what the questionnaire measures, how many statements it has, the licence in two words and the test of this site that uses it. Below that it says in plain words what the questionnaire is and what it is not. Then come the authors' own instructions, the statements, the answers, the scoring key, the licence word for word and the citation.

The lists are for reading. To answer the statements and see a result, open the test that uses the questionnaire.

What they are and are not

These are questionnaires for curiosity and self-reflection. Almost all of them were written by researchers and published in journals. One, 8values, is an open-source quiz that nobody has validated, and its page says so. Another, the self-esteem scale, comes from the pool's own site and has no independent validation study that we can cite, and its page says that too.

The 16 personality types test has no questionnaire of its own and so no page here: it re-reads the answers you gave to the Big Five questionnaire and draws them as four dials. The tests built on these questionnaires are collected on the personality tests page.

Where the licences come from

Most of the questionnaires come from the International Personality Item Pool, whose authors have placed its statements in the public domain. Others are free to use by their authors' own statement, or are published under the MIT licence. Each page prints the statement we relied on word for word, the day we read it and a link to the place where it stands.

Selfspecs is not affiliated with, or endorsed by, any of the authors or projects named on these pages. How the site works out and words the results of each test is described on the methodology page.