Standardized Questions
Test questions modeled after standardized cognitive assessments used by professionals worldwide.
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Accurate, fast, scientifically designed. Certificate included.
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PhD Scientists
How It Works
Simple, fast, and accurate
Step 1
20 Questions
Answer carefully designed cognitive challenges
Step 2
3 Minutes
Adaptive difficulty matches your level
Step 3
Get Results
Instant score with detailed analysis
Why People Trust Us
Expert Review
Reviewed by psychology & AI researchers from Stanford, MIT, and Berkeley.
Data-Calibrated
Calibrated on thousands of user results to ensure 98.7% accuracy across all demographics.
Meet the Experts Behind testrize
Real Scientists,Real Research
Four world-class specialists who combined their expertise to create the most comprehensive intelligence assessment system
Stanford University
Dr. Sarah Chen
Cognitive Psychology Lead
PhD Psychology, Stanford•15+ Years Research
Fluid Intelligence & Pattern Recognition
"Intelligence is not fixed—it's a skill we can measure and improve."
Pioneered the fluid intelligence assessment methodology that forms the core of our multi-dimensional testing approach.
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MIT
Dr. Marcus Thompson
Neuropsychology Expert
PhD Neuroscience, MIT•12+ Years Clinical
Working Memory & Processing Speed
"The brain's efficiency is just as important as its raw power."
Specializes in working memory and processing speed assessment with focus on cognitive efficiency measurement.
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Verified
UC Berkeley
Dr. Elena Rodriguez
Psychometrics Specialist
PhD Psychometrics, Berkeley•10+ Years
Statistical Validation & Cultural Fairness
"Fair assessment means accurate results for everyone, everywhere."
Ensures statistical validity and cultural fairness across all assessments through rigorous validation studies.
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Carnegie Mellon
Dr. James Park
AI & Data Science Lead
PhD Computer Science, CMU•8+ Years ML
Adaptive Testing & Machine Learning
"AI doesn't replace human insight—it amplifies it."
Applies machine learning to continuously improve test accuracy and personalization through adaptive algorithms.
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All credentials verified
Published researchers
International recognition
SUCCESS STORIES
Real People, Real Results
Join 500,000+ test takers who discovered their true cognitive potential
"Understanding my cognitive profile helped me study smarter, not harder. The personalized insights were a game-changer for my academic performance."
James Chen, 24
Manchester, UK
IQ: 115 → 132 (+17)
Academic successAfter 4 months
500K+
Tests Completed
4.9/5
Average Rating
95%
Would Recommend
Expert Insights
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Dr. Sarah Chen
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•10 min read
How to Improve Your IQ: 15 Science-Backed Methods
Discover proven strategies to enhance your cognitive abilities and boost your IQ score. Learn about neuroplasticity, working memory training, and lifestyle changes that make a real difference.
Dr. Marcus Thompson
Neuropsychology Expert