IQ Test (estimated)
A twenty-question reasoning test — number series, analogies and logic — scored to an estimated IQ with its percentile.
When to use it. For interest, or as a rough indication of general reasoning ability. Answer without a calculator, a search engine or help, or the number means nothing.
本页的医疗安全信息以英文显示。它尚未经过能阅读简体中文的临床医生审核，而依赖无人核验的译文并不安全。
Answer all 20 questions — 20 still to go. A part-finished test cannot be scored.
Limits of this score. THIS IS NOT A CLINICAL IQ ASSESSMENT and must never be used as one. A real IQ is measured with a standardised, individually administered instrument (WAIS-IV, WISC-V, Stanford–Binet, Raven's) by a trained psychologist, under timed conditions, against published norms for the person's age and country. This test has twenty items, no time limit, no supervision and no standardisation sample — its norms are the stated assumption below, not measured data. It cannot diagnose intellectual disability or giftedness (both of which also require assessment of adaptive functioning), cannot support an educational or legal claim, and should not be repeated to chase a higher number: the items do not change, so a second attempt measures memory. Treat a surprising result — high or low — as a reason to seek a proper assessment, not as a conclusion.
Sources
- Wechsler D. Wechsler Adult Intelligence Scale — Fourth Edition (WAIS-IV). Pearson, 2008. (Source of the classification bands.)
- Raven J. The Raven's Progressive Matrices: change and stability over culture and time. Cogn Psychol 2000;41:1–48.
- Frederick S. Cognitive reflection and decision making. J Econ Perspect 2005;19:25–42. (The bat-and-ball and lily-pond items.)
Where this is written from. This site is written from Indian clinical practice. Drug availability and brand names, vaccination schedules, national health programmes and some reference cut-offs differ between countries — a schedule or a threshold that is standard here may not be standard where you are. If you are reading outside India, check anything on this page against your own country’s guidance before you act on it.
Educational use only — not medical advice. Never a substitute for clinical judgement.