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An IQ (Intelligence Quotient) test measures your cognitive abilities across multiple domains including logical reasoning, pattern recognition, spatial visualization, verbal comprehension, working memory, and processing speed. The average score is 100, with about 68% of people scoring between 85 and 115. Our test is based on the Cattell Horn Carroll theory of cognitive abilities, the most widely accepted model in modern psychology.
Our assessment achieves 94% accuracy compared to professionally administered clinical tests like WAIS IV and Stanford Binet. We maintain a 0.94 correlation coefficient with these gold standard assessments. While clinical tests conducted by licensed psychologists remain the definitive measure, our AI powered adaptive testing provides highly reliable results for self assessment and personal development purposes.
Our test is designed for adults aged 18 and older who want to understand their cognitive strengths and areas for growth. It is particularly valuable for students preparing for academic challenges, professionals seeking career insights, anyone curious about their intellectual abilities, and individuals considering Mensa membership. The test is available in 14 languages to ensure accurate results regardless of your native language.
Yes, the core assessment is completely free with no registration required. You will receive your IQ score, percentile ranking, and basic cognitive profile at no cost. We offer an optional premium report with detailed analysis, personalized recommendations, and a 90 day improvement plan for those who want deeper insights into their cognitive abilities.
These are the questions we hear most often from our 2.3 million test takers.
12 to 15 minutes on average
256 bit encryption, GDPR compliant
Yes, after 30 days
Yes, core assessment is 100% free
Yes, 8 to 15 points with training
Yes, fully optimized for all devices
Bank level security protects all your data and test results.
Validated against WAIS IV with 0.94 correlation coefficient.
Trusted by millions of users across 180+ countries worldwide.
Consistently rated excellent by our test takers.
Our methodology is based on research from:
Dive deeper into cognitive science and IQ testing with our comprehensive guides.
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Learn what different IQ scores mean and how they compare to the population.
Understand our 4 step assessment process and what to expect.
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✓ No registration required ✓ Instant results ✓ 100% free assessment