Machine Intelligence Test: How AI Is Measured
From the Turing Test to AI scoring 140+ on Mensa — how machine intelligence testing actually works, and why the headline numbers mislead.
6 min read
Understanding IQ
What IQ is, how IQ tests work, the history and science of intelligence measurement.
28 articles
Neuromyths in Education: The Brain Myths Teachers Believe
Learning styles, the 10% brain, left- vs right-brained learners — surveyed teachers endorse these at strikingly high rates. What the evidence says.
5 min read
The g Factor: What General Intelligence Actually Is
Every cognitive test correlates with every other. g is the model extracted from that pattern — not a substance in the brain. What the evidence shows.
9 min read
WAIS Intelligence Test: Structure, Scores & Interpretation
The Wechsler Adult Intelligence Scale is the world's most used adult IQ test. Its editions, index scores, the General Ability Index — and why independent researchers reject the WAIS-5's five-factor structure.
8 min read
Cognitive Reflection Test: Answers & What It Measures
The Cognitive Reflection Test answers are 5 cents, 5 minutes and 47 days. Why the intuitive answers fail, what your score means, and whether knowing the answers really invalidates it.
9 min read
Cognitive Tests Explained: Types, Scores & What They Measure
Cognitive tests fall into three unrelated categories. How clinical screens like the MoCA and MMSE differ from IQ tests, what the scores mean, and why the 26/30 cutoff misleads.
10 min read
Emotional Intelligence Tests: What They Measure & Whether They Work
Ability tests, trait questionnaires and mixed models measure different things. How the MSCEIT is scored, why self-report EI is mostly personality, and why there is no EQ score.
7 min read
Left Brain vs Right Brain: What the Evidence Actually Shows
There are no left-brained or right-brained people — 1,011 brains and 14 million connections found none. What is genuinely lateralised, and what Sperry warned about.
7 min read
Stanford–Binet Test: Structure, Scores & the SD-16 Confusion
The SB5's five factors, its adaptive routing, and the standard-deviation change from 16 to 15 that makes old Stanford–Binet scores incomparable with new ones.
6 min read