Fifteen questions between you and your IQ score.
you are.
- 15 ITEMS ACROSS FIVE FACULTIES
- 30 SECONDS PER ITEM — THEN IT MOVES ON
- NO GOING BACK · NO PENALTY FOR WRONG ANSWERS
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Your position on the curve.
Faculty breakdown
Item review
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What your profile suggests.
How a raw answer becomes an IQ.
Every psychometric instrument compresses messy human performance into a single number. Form 7C does it in four transparent steps — the same pipeline used, in far more elaborate form, by supervised clinical instruments.
Raw responses
Fifteen items span five faculties — pattern, logic, numeric, verbal, spatial. A correct answer earns its points; a wrong or expired one earns zero. There is no penalty for guessing.
Difficulty weighting
Each item carries a weight d ∈ {1, 2, 3} calibrated from pilot pass-rates. Solving the hardest items moves your estimate far more than sweeping the easy ones.
Tempo coefficient
Median response latency applies a small adjustment (never more than ±4 points), scaled by accuracy. Speed without correctness buys you nothing — speed with it, a little.
Norm mapping
The weighted total maps onto a normal distribution with μ = 100, σ = 15, yielding your IQ estimate and percentile — the share of the norm group you outscored.
The curve you're scored against.
| BAND | IQ RANGE | POPULATION | SHARE | LABEL |
|---|---|---|---|---|
| −3σ | ≤ 55 | 0.1% | Extremely low | |
| −2σ | 55 – 70 | 2.1% | Well below average | |
| −1σ | 70 – 85 | 13.6% | Below average | |
| ±0σ | 85 – 115 | 68.3% | Average band | |
| +1σ | 115 – 130 | 13.6% | Above average | |
| +2σ | 130 – 145 | 2.1% | Gifted | |
| +3σ | ≥ 145 | 0.1% | Exceptionally high |
Read your result like a scientist.
This is an entertainment screening tool. A genuine IQ figure can only come from a supervised, proctored instrument administered by a qualified psychologist.
Sleep, caffeine, screen size and how seriously you take a web page all move a score like this by five points or more. Treat it as a snapshot — not a verdict.