Open-Source Psychometrics Project
A free, ad-light collection of psychological tests and quizzes built on open research methods, letting curious visitors explore their own cognitive and personality quirks.
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Humor Styles Questionnaire
A web survey based on the Humor Styles Questionnaire that scores how you use humor, from affiliative to self-defeating,…
Big Five Personality Test
A free, open-source personality test based on the scientifically validated Big Five (OCEAN) model used widely in academi…
Moral Foundations Test
A 48-statement questionnaire based on Jonathan Haidt's Moral Foundations Theory that scores you on care, fairness, liber…
Clearer Thinking
A nonprofit offering dozens of free interactive tools, quizzes, and mini-courses for improving decision-making, habits,…
The F Scale
Take an interactive version of the 1949 F-Scale from The Authoritarian Personality studies and get a score estimating yo…
Embezzlers Are Nice People
A lawyer who sues embezzlers worldwide explains why the people who steal from their employers tend to be likable, truste…
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