P8ple guides
Useful context for a complex subject.
Straightforward articles about intelligence testing, score interpretation, and reasoning—written to inform, not to overstate.
Foundations
What is IQ? A practical, careful explanation
What an intelligence quotient is designed to summarize—and why one number never tells the whole story.
Read guideScores
What does an IQ score mean?
How standardized scores are usually interpreted, and the context that matters before drawing conclusions.
Read guideMethodology
How IQ tests work: questions, norms, and limits
A plain-language look at reasoning items, standardization, and why short online tests should be read cautiously.
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