Notes on intelligence, testing, and the Stanford-Binet
Practical, research-grounded articles for people taking IQ tests, parents and teachers thinking about gifted children, and anyone curious about what cognitive assessment actually measures.
What the Stanford-Binet actually measures — and why it still matters
The Stanford-Binet is one of the most cited tests in psychology, yet most people who search for it have no idea what it actually measures. Here is what the five-factor model does, and why it still matters.
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Where can I take an IQ test? A clear-eyed guide to your real options
Online quiz, Mensa exam, or clinical evaluation? Here is a clear breakdown of every real option for taking an IQ test, and how to pick the one that matches what you actually need.
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The online IQ test landscape: who's behind the scores you're trusting
A guide to what online IQ tests actually measure, who builds them, and how to read your score without fooling yourself.
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What the MedicineNet IQ test gets right — and where it falls short
MedicineNet's IQ quiz is one of the most-visited free tests on the web. But does it actually measure intelligence? A close look at what it does well, what it skips, and what the result really means.
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The IQ score scale explained: what your number actually means
An IQ score is more than a single number. Here is what the scale actually means, where your score sits, and what it can and cannot tell you about your mind.
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The intelligence test that started it all: Stanford-Binet's unlikely origin story
In 1904, a French psychologist was handed an impossible task: sort the children Paris couldn't teach. What he built instead changed how the world thinks about the mind.
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What 'intelligence test' actually measures — and what it doesn't
Intelligence tests claim to measure something real and important about the mind. The truth is more complicated, more interesting, and more useful to understand than most test-takers ever learn.
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What makes an IQ test official?
Not all IQ tests are created equal. Here is what psychometricians actually mean by a 'valid, standardised' test and why the label 'official' is harder to earn than most sites admit.
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Where to take an IQ test: online, in-person, and what each actually measures
Online quizzes, Mensa exams, clinical evaluations, IQ testing venues differ wildly in what they measure, how they score, and what the result actually means. Here's how to choose.
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