Mensa Norway IQ Test: What Your Score Actually Means
The Mensa Norway test is 35 puzzles in 25 minutes, scored 85–145. Why 145 is a ceiling and not a score, why it can't qualify you for Mensa, and how accurate it really is.
8 min read
IQ Insights
In-depth, research-based guides on IQ scores, intelligence testing, demographics and how to take a test — from the IQCognify editorial team.
Latest articles
Einstein's IQ: Was It Really 160? What the Record Shows
Einstein never took an IQ test. Where the 160 figure came from, why earlier sources said 205 and 207, and why no one's IQ is meaningfully 160.
9 min read
Is an IQ Score in the 80s Good? What 80–89 Really Means
An IQ in the 80s is below average but normal — the 9th to 23rd percentile. What the “Low Average” label means, why it is not an intellectual disability, and how much the number is worth.
8 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
Fluid vs Crystallized Intelligence: The Two Halves of IQ
Fluid intelligence solves novel problems; crystallized intelligence applies what you know. Why one declines with age and the other keeps rising into your sixties.
8 min read
Executive Function: What It Is and Why Its Measures Disagree
Inhibition, working memory and cognitive flexibility. The unity-and-diversity framework, the task impurity problem, and why lab tasks and rating scales correlate at only .19.
6 min read
Processing Speed: The Ability That Explains the Others
Processing speed peaks before any other cognitive ability. Salthouse's theory of cognitive ageing, inspection time and IQ, and why a low speed score is not a low ability.
6 min read
Raven's Progressive Matrices: What It Measures & What It Doesn't
Raven's measures eductive ability — half of Spearman's g. Why it is not an IQ test, why it is culture-reduced rather than culture-fair, and where to take the real thing.
6 min read