Tests

Responsibilism Scale

Collectivism measured as duties to family and friends rather than warm feelings: 16 quick items, scored against 12,000 people in 100 cultures.

16 questions · ~4 min · self-report ValuesCultureSocial

Big Five Inventory-2

The Big Five and 15 facets in 60 items.

60 questions · ~4 min · self-report PersonalityBig Five

Moral Foundations Questionnaire-2

Haidt's six moral foundations in 36 items.

36 questions · ~4 min · self-report ValuesPolitics

Number Memory

Two-digit numbers flash up one at a time; pick them out afterwards. One more each time you get them all.

rounds until 3 misses in a row · ~3 min · cognitive IntelligenceMemory

Pew Science Knowledge Quiz

Pew Research's science quiz, scored against a representative US sample.

35 questions · ~7 min · cognitive KnowledgeScienceIntelligence

Hue Sort Test

Arrange colour chips by hue. A purely perceptual test — the one thing here that should not depend on reading.

4 questions · ~6 min · cognitive PerceptionIntelligence

Goal Origin Scale

A new 48-item personality questionnaire about how you understand your own goals and ambitions. Rate your agreement with each statement...

48 questions · ~6 min · self-report PersonalityGoals

Spelling Test

Spot the misspelled word, if there is one. 25 quick questions, with percentiles from Project Talent's 1960 sample of American...

25 questions · ~3 min · cognitive LanguageIntelligence

Numeric Spatial Memory Test (Chimpanzee Challenge)

Numbers flash for a fifth of a second, then hide: touch them in order. The task a young chimpanzee beat university students at.

rounds until 3 misses in a row · ~1 min · cognitive IntelligenceMemory

Science Knowledge Test (25 items)

25 questions on the sciences, with US population norms. How much of a vocabulary score is just general knowledge?

25 questions · ~7 min · cognitive KnowledgeScienceIntelligence

Technophilia Scale

Gene editing, brain implants, AI doctors, rule by scientists, high-tech over natural: how much do you welcome technological change?

30 questions · ~3 min · self-report ValuesPolitics

Number Series Test

Find the pattern and enter the next number in each series. The sequences follow mathematical rules — either polynomial patterns (where...

56 questions · ~53 min · cognitive IntelligenceReasoning

Emotional Promiscuity Scale

Do you fall in love easily, quickly and often? Ten questions on emophilia.

10 questions · ~1 min · self-report DatingPersonality

Attentional Blink Test

Colours flash by in one square; which one came right after red? Adaptive, about 4 minutes.

60 trials · ~4 min · cognitive IntelligenceSpeed

ICAR60 Intelligence Test

60 public-domain intelligence items: number series, verbal, matrices, 3D rotation.

60 questions · ~45 min · cognitive Intelligence

Inspection Time Test

How briefly does a light need to flash for you to see where it was? A classic measure of perceptual speed, adaptive, about 4 minutes.

50 flashes · ~3 min · cognitive IntelligenceSpeed

Reaction Time

How fast you respond to a light and pick its side, and how many dots you take in at a glance. Three parts, about eight minutes.

150 questions · ~9 min · cognitive SpeedPerceptionIntelligence

MMPI-2 (Short, 103 items)

The MMPI-2 (Minnesota Multiphasic Personality Inventory) is a widely used psychological assessment. This short version contains 103...

103 questions · ~9 min · self-report Short form · you can go on to the full 566-question version after Mental healthPersonality

Number Series Test (adaptive)

Find the next number: the number series test as a computer-adaptive test, 12–16 series chosen for your level instead of all 50.

18–22 questions · ~38 min · cognitive IntelligenceReasoning

Adjustable Impulsivity Scale

Act first, think later? 25 items on the one trait behind every impulsivity test.

25 questions · ~2 min · self-report PersonalityImpulsivity

German Citizenship Test

33 questions from the official Einbürgerungstest catalogue, in German or English. Pass at 17.

33 questions · ~6 min · cognitive KnowledgeGermanyCivics

Multilingual Vocabulary

How many words do you recognise in 15 languages? Scored against corpus frequency, so it works even in languages you do not speak.

15 questions · ~14 min · cognitive LanguageKnowledgeIntelligence

Embryo Selection Simulator

Five embryos, each with genetic predictions for health, body and mind. Which would you choose? Twelve couples; find out what your...

12 questions · ~18 min · self-report GeneticsValues

IPIP-NEO-300 Personality Test

The IPIP-NEO-300 measures the Big Five personality traits: Neuroticism, Extraversion, Openness, Agreeableness, and Conscientiousness,...

300 questions · ~19 min · self-report PersonalityBig Five

Experiences in Close Relationships

Anxious, avoidant or secure? The standard adult attachment questionnaire.

36 questions · ~3 min · self-report DatingMental healthPersonality

PHQ-9 Depression Screen

The nine-question depression screen doctors use, with your percentile among US adults.

9 questions · ~1 min · self-report Mental healthDepression

Eight Dimensions of American Politics

Eight dimensions of American political opinion in 73 quick questions, each placed against Democrats, independents and Republicans in the...

73 questions · ~13 min · self-report Politics

Cube Visualisation Test

Turn a cube in your head, find its hidden faces, spot the same cube in a new position. Three timed parts, 24 minutes.

60 questions · cognitive IntelligenceSpatial

Reading the Mind in the Eyes

Baron-Cohen's 36-item test of reading mental states from the eyes, with percentiles from 290,000 online takers.

37 questions · ~5 min · cognitive SocialMental healthAutismIntelligence

SAFRAN Reasoning Test

Verbal, numerical and figural reasoning in 15 minutes: 54 questions of six kinds, in English or German, with norms from the test's...

54 questions · ~15 min · cognitive IntelligenceVerbalNumerical

Figure Reasoning Test (adaptive)

Matrix-style figure reasoning as a computer-adaptive test: 16–20 puzzles chosen for your level instead of all 44.

16–20 questions · ~26 min · cognitive IntelligenceReasoning

Are You a Liberal?

How liberal are you, on a test written to find out.

39 questions · ~5 min · self-report Politics

Elitism Scale

Are some people worth more, or fitter to rule, than others? 25 statements on elitism.

25 questions · ~3 min · self-report PoliticsValues

Five-Factor Narcissism Inventory Short Form

Grandiose or vulnerable? Both sides of narcissism in 15 facets.

60 questions · ~5 min · self-report PersonalityDark Triad

ICAR Intelligence Test (adaptive)

The ICAR intelligence test as a computer-adaptive test: 20–24 items chosen for your level, more precise than the short form.

20–24 questions · ~22 min · cognitive Short form · you can go on to the full 60-question version after IntelligenceReasoningSpatial

Mechanical Reasoning

Project Talent's 1960 test of mechanical understanding: twenty questions on gears, pulleys and levers, with percentiles from a national...

20 questions · ~8 min · cognitive IntelligenceSpatialReasoning

Digit Span Test

Digits appear one a second; type them back, then backwards. The classic working memory test, about 5 minutes.

30 questions · cognitive IntelligenceMemory

Autism-Spectrum Quotient (AQ)

The 50-item AQ, with an exact percentile among 161,000 UK Biobank participants.

50 questions · ~4 min · self-report Mental healthAutismSocial

Hierarchical Taxonomy of Psychopathology – Brief Report

45 statements across the six broad areas of mental health problems.

45 questions · ~3 min · self-report Short form · you can go on to the full 405-question version after Mental healthPersonality

Agentic and Communal Values

Do you value getting ahead, or getting along?

24 questions · ~2 min · self-report PersonalityValues

Fluid Intelligence Test

13 reasoning puzzles in 2 minutes, from the UK Biobank. Is vocabulary a matter of reasoning, or only of what you have read?

14 questions · ~2 min · cognitive IntelligenceReasoningTimed

Paper Folding Test

Fold, punch, unfold: where are the holes? A classic spatial reasoning test, getting harder as it goes, 20 minutes.

45 questions · ~20 min · cognitive IntelligenceSpatial

Vocabulary Test (openpsychometrics)

The openpsychometrics.org vocabulary test: pick the two words of five that mean the same, 45 times.

45 questions · ~9 min · cognitive LanguageIntelligence

Dimensions of the Dating Mind

200 quick questions from OKCupid's match quiz, scored on ten dimensions against some 30,000 daters.

200 questions · ~19 min · self-report PersonalityDating

Words Can Harm Scale (WCHS)

Do you think words can harm?

10 questions · ~1 min · self-report PoliticsValues

Intrasexual Competition Scale

How much do you compete with your own sex? Twelve items on rivalry and envy.

12 questions · ~1 min · self-report DatingPersonality

English Vocabulary Test (adaptive)

The vocabulary test as a computer-adaptive test: each word is chosen from how you did on the last, so 25–30 items measure what 108 did.

25–30 questions · ~7 min · cognitive Short form · you can go on to the full 108-question version after LanguageIntelligence

ICAR16 Intelligence Test

16 public-domain intelligence items: number series, verbal, matrices, 3D rotation.

16 questions · ~12 min · cognitive Short form · you can go on to the full 60-question version after Intelligence

Short Dark Triad

27 items on narcissism, Machiavellianism and psychopathy.

27 questions · ~2 min · self-report PersonalityDark Triad

SPI-135 Personality Test

The Big Five plus 27 narrower traits, with a full profile at the end.

135 questions · ~10 min · self-report PersonalityBig Five

MMPI-2 (Full, 566 items)

The complete MMPI-2 (Minnesota Multiphasic Personality Inventory) with all 566 items. This measures the general factor of...

566 questions · ~45 min · self-report Mental healthPersonality

Confidence Interval Calibration Test

For each question, give a lower bound and upper bound such that you are 75% sure the true answer falls within your range. In other...

50 questions · ~14 min · cognitive CalibrationKnowledgeIntelligence

Specific Conspiracy Beliefs Scale

44 specific claims, from false flags to flat Earth. Which do you believe?

44 questions · ~4 min · self-report BeliefsConspiracyPolitics

Figure Weights Test

Balanced scales tell you how much each shape weighs. Work out what balances the last one. 30 items in 20 minutes.

30 questions · ~20 min · cognitive IntelligenceReasoning

Five Factor Machiavellianism Inventory

Strategist or cynic? Machiavellianism in 13 facets.

52 questions · ~4 min · self-report PersonalityDark Triad

WORDSUM Vocabulary Test

The GSS ten-word vocabulary test, with percentiles from the General Social Survey.

10 questions · ~1 min · cognitive LanguageIntelligence

Successful Psychopathy Scale

The psychopath who thrives: persuasive, unflappable, decisive.

54 questions · ~4 min · self-report PersonalityDark Triad

Mating Orientation Scales

Short-term flings and lifelong love are separate dials. Where are yours set?

17 questions · ~2 min · self-report DatingSexPersonality

GAD-7 Anxiety Screen

The seven-question anxiety screen doctors use, with your percentile among US adults.

7 questions · ~1 min · self-report Mental healthAnxiety

Multifactor General Knowledge Test

General knowledge across 10 domains, from history to sport. The best measure of accumulated knowledge on the site.

32 questions · ~9 min · cognitive KnowledgeIntelligence

Comprehensive Assessment of Sadistic Tendencies

Mocking, dominating or watching: three kinds of everyday sadism.

18 questions · ~1 min · self-report PersonalityDark Triad

Danish Citizenship Test

The real Danish citizenship test from June 2026, in Danish or English. Half of applicants pass — would you?

45 questions · ~6 min · cognitive KnowledgeDenmarkCivics

Authoritarianism Scales (RWA + LWA)

Right- and left-wing authoritarianism, scored side by side.

62 questions · ~8 min · self-report PoliticsAuthoritarianism

US Citizenship Test

20 of the 128 official USCIS civics questions, drawn at random. Pass at 12 — most Americans don't.

20 questions · ~3 min · cognitive Short form · you can go on to the full 124-question version after KnowledgeUsaCivics

Revised Sociosexual Orientation Inventory

Casual or committed? Nine questions on how you approach sex without commitment.

9 questions · ~1 min · self-report DatingSexPersonality

Mental Arithmetic Test

A number and four expressions: pick the one that equals it, as fast as you can. 60 quick items, single digits throughout, scored by...

60 questions · ~5 min · cognitive IntelligenceSpeed

Boolean Logic Test

Two patterns of lit keys; then pick the ones that were lit both times, never, only once… Six logical rules, about 8 minutes.

36 rounds · cognitive IntelligenceMemoryReasoning

Figure Reasoning Test

Matrix-style figure reasoning, untimed. The classic measure of fluid ability.

44 questions · ~39 min · cognitive IntelligenceReasoning

Colour Count Test

Sixteen coloured keys for a moment: which colour was most (or least) common? Adaptive, about 5 minutes.

100 trials · cognitive IntelligenceSpeed

Triarchic Psychopathy Measure

Bold, mean or impulsive? Psychopathy split into its three parts.

58 questions · ~4 min · self-report PersonalityDark Triad

Biotech Eugenics Knowledge Test

56 questions on the science behind embryo selection and gene editing: DNA, meiosis, GWAS and polygenic scores, sequencing, the...

56 questions · ~25 min · cognitive KnowledgeScienceGenetics

English Vocabulary Test

108 rare words in two formats. Vocabulary is the best single short measure of adult intelligence.

108 questions · ~20 min · cognitive LanguageIntelligence

Generic Conspiracist Beliefs Scale

15 items on how much you suspect the official story.

15 questions · ~2 min · self-report BeliefsConspiracyPolitics

Shape Cubes Test

Several views of one cube, one face hidden behind a question mark: which shape goes there? Sixty items, 20 minutes.

60 questions · cognitive IntelligenceSpatial

Revised Paranormal Belief Scale

26 items on the paranormal, from psi to the Loch Ness monster.

26 questions · ~2 min · self-report BeliefsParanormalReligion

Mental Rotation Test

Four shapes built from cubes, three of them the same shape seen from different angles. Spot the odd one out. 30 items, scored on...

30 questions · ~10 min · cognitive IntelligenceSpatialReasoning

Confidence Calibration Test

Test how well-calibrated your confidence is. For each statement, indicate whether you think it is true or false, then rate your...

120 questions · ~15 min · cognitive CalibrationKnowledgeIntelligence

General Risk Preference Scale

How much risk do you seek? Willingness and likely behaviour in 25 items.

25 questions · ~2 min · self-report PersonalityRisk

US Citizenship Test (full list)

All 124 answerable questions from the official USCIS civics list, scored by section.

124 questions · ~16 min · cognitive KnowledgeUsaCivics

Agentic Scope Scale

A new 48-item personality questionnaire about how you set and pursue your goals. Rate your agreement with each statement on a 7-point scale.

48 questions · ~5 min · self-report PersonalityGoals

Which Country Shares Your Values?

44 questions from the World Values Survey: find the countries whose people answer most like you, and your place on the world's values map.

44 questions · ~5 min · self-report ValuesPolitics

Nietzscheanism

How Nietzschean is your outlook?

48 questions · ~6 min · self-report PersonalityValues