Articles
What's behind our tests: the science of IQ, the psychology of personality quizzes, what researchers say about love… Sourced articles, to understand before you play.
- Love
Red flags and green flags: the signs that really matter in love
Contempt, controlling jealousy, isolation, but also listening and repair: what research says about real warning signs and the behaviors that keep a relationship going.
Read → - Personality
The RIASEC model: how psychologists link interests and careers
Realistic, investigative, artistic, social, enterprising, conventional: John Holland's model, used worldwide in career guidance, and how well it works.
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Eros, ludus, storge: love styles according to psychology
John Alan Lee's colors of love, Sternberg's triangle, passion and tenderness: what researchers say about the different ways we love.
Read → - Astrology
Sign, rising, birth chart: how astrology works
From Babylon to the tropical zodiac: what a birth chart contains, why signs no longer match the constellations, and what science says.
Read → - Personality
Chronotypes: why some people are larks and others owls
Body clock, genes, adolescence, social jetlag: what chronobiology knows about early risers and night owls, and what you can change.
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The 5 love languages, put to the scientific test
Words, time, gifts, service, touch: where Gary Chapman's love languages come from, and what researchers really think of them.
Read → - Personality
The Barnum effect: why personality tests feel so accurate
In 1948, a psychologist gave 39 students the same profile, and they rated it as highly accurate. The Barnum effect explains horoscopes and quizzes.
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Attachment theory: from Bowlby to relationship styles
Secure, anxious, avoidant, fearful: where attachment styles come from, how researchers measure them, and why they can change.
Read → - IQ test
What does an IQ test really measure?
An average of 100, the bell curve, Raven's matrices: what an IQ test measures, what it misses, and why an online test is only ever an estimate.
Read → - Humain à vendre
How much is a human life worth? The economists' answer
Governments really do put a price on life: about €3 million in France, over $10 million in the US. How that figure is calculated and what it is used for.
Read → - Lovemeter
Love compatibility: what the science really says
Do opposites attract? What predicts whether a couple lasts? What psychology research has found about love compatibility.
Read → - Aura
What does it mean to have aura?
From the Latin word for breeze to TikTok's aura points, via mysticism and Kirlian photography: the surprising history of the word aura.
Read → - IQ test
The Flynn effect: why IQ scores rose for a century
About 3 points per decade throughout the 20th century, then a decline in some countries: the Flynn effect and what it tells us about intelligence.
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