Testora IQ Blog
Practical, evidence-led writing on IQ scores, cognitive assessment and how to read your own results. Every article is reviewed by our psychometrics reviewer and updated as the Testora IQ norms are refreshed.
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What Is IQ? A Complete Guide
IQ is a relative score, not a tally of right answers. This guide explains where the 100-point scale comes from, which abilities an intelligence test samples, and how to read your own IQ score without over-reading it.
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IQ Score Chart: What Your Score Means
A 115 sounds abstract until you see where it sits on the curve. This chart maps IQ scores to percentiles, classifications and rarity, and explains why the middle of the scale is crowded and the edges are thin.
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How Accurate Are Online IQ Tests?
Some online IQ tests are carefully normed instruments; others are entertainment with a number attached. Here is how to tell them apart, and what accuracy realistically means for a 30-minute assessment.
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5 Cognitive Domains Measured by IQ Tests
A single IQ number hides the interesting part. These are the five reasoning abilities a modern cognitive assessment samples, what each one looks like in test items, and what a strong or weak result in each suggests.
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How to Prepare for an IQ Test
You cannot cram for an intelligence test, but you can stop losing points you did not need to lose. This is what preparation reasonably looks like in the week, the night and the ten minutes before you start.
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