What an online IQ test can and cannot tell you, and how clinical tests such as the WAIS differ.
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Wonderlic publishes no IQ conversion. How to estimate one from published norms, why the popular formulas disagree, and why any estimate is a range rather than a measured IQ.
You can practice for an IQ test, but you cannot study your way to a higher IQ. What practice changes, why the gain is not intelligence, and how to prepare fairly.
You can take an IQ test with a psychologist, through a public school, at a university training clinic, at a Mensa session or online. Here is what each gives you and how to choose by what you need the score for.
Pearson lists 45 minutes for the Full Scale IQ on the WAIS-5 and 15 to 30 minutes for the WASI-II, and American Mensa says one to two hours (both read October 2026). Times for each test.
The Wechsler Adult Intelligence Scale, now Pearson's WAIS-5 from 2024, is a one-to-one clinical IQ test. What changed from the WAIS-IV, what it costs, and why a free online WAIS quiz is not the real test.
The Stanford-Binet Intelligence Scales, Fifth Edition (Roid, 2003) is a one-to-one clinical IQ test with 10 subtests and five factors (PRO-ED). How it is given and scored, and why online quizzes differ.
Calculated from the WAIS-5's 0.97 reliability (2024), a clinical IQ score has a 95% range of about 5 points either side. Online tests vary, and most free quizzes publish no data.
24 задания, около 15 минут, сначала короткая разминка.
