Cognitive Assessment
Forty problems. Forty-five minutes.
Eight question types across six cognitive domains. Difficulty rises sharply — the final items are designed to discriminate beyond the 99th percentile.
Categories
- Matrix reasoning — 3×3 patterns
- Sequence completion
- Number series — arithmetic, geometric, recursive
- Analogies — A is to B as C is to ?
- Odd one out
- Mental rotation
- Set logic — XOR and overlap operations
- Latin squares
Before you begin
- 40 items, 45 minutes.
- Navigate freely and change answers until time runs out.
- Work alone, undisturbed.
Matrix Reasoning
Easy
Find the missing piece.
Test Complete
Your result.
Estimated score, compared to a normal distribution (mean 100, SD 15).
Estimated IQ Score
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Top — of population
Where you fall on the curve
Normal distribution with mean 100 and standard deviation 15.
Mean — 100 (50th %ile)
±1 SD — 68% of people
±2 SD — 95% of people
±3 SD — 99.7% of people
Breakdown
—Correct
—Accuracy
—Time used
—Skipped
By category
About this score
This is an estimate from a single online test. A clinical IQ assessment requires norming against a representative sample, controlled administration, and multiple validated subtests. Use as orientation, not as a definitive measure.
Official Certificate
Cortextest
Certificate of Completion
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