Real tasks from the research literature, not internet quizzes, rebuilt for the browser. Each one takes about five minutes, scores you the way the papers do, and explains exactly what the number means and what it doesn’t.
The Balloon Risk Task
Pump a balloon that pays per pump and pops without warning. The classic behavioural measure of risk-taking, with norms, charts and an interviewer mode.
~5 min · behavioural Take it →Reflection · 2005Cognitive Reflection Test
Seven puzzles whose obvious answers are wrong. Measures whether you check your gut before trusting it. The famous bat-and-ball test, extended.
~3 min · 7 puzzles Take it →Impulsivity · 1999Delay Discounting
Money now or more money later, 27 times. Recovers your personal discount rate (how fast the future loses its pull) on the field-standard Kirby questionnaire.
~3 min · 27 choices Take it →Vigilance · 1985Psychomotor Vigilance Test
Tap the instant the counter appears, for three unforgiving minutes. The reaction-time test NASA uses to track astronaut alertness. Race your own baseline.
3 min · ~35 trials Take it →Personality · 2003Big Five (TIPI)
Ten items, five traits, real percentiles against published norms. The only personality framework with scientific consensus, in its briefest validated form.
~2 min · 10 items Take it →Moral psychology · 2009Moral Foundations (MFQ-20)
Care, Fairness, Loyalty, Authority, Purity: what your moral compass is actually built from, and why good people disagree. The standard short form.
~4 min · 22 items Take it →The fine print, up front. These are demonstration implementations of research instruments. They are not clinical, diagnostic, or hiring tools; single sittings are noisy, and norms are approximate. Everything runs locally; your answers are never uploaded. Curious how each one works? Every test page has a science section with references.