u/SpiritualCan4803

Took most online IQ tests and got frustrated by the fake inflated scores, so I built one that actually uses 3-Parameter Logistic IRT with Bayesian MAP estimation — same model as standardized psych tests.

Measures 6 axes: pattern, numeric, verbal, spatial, logic, matrix. 20 minutes. Reports IQ, percentile, 95% CI and reliability score.

I scored 117 on my own test. Curious how it compares to what people here have gotten on CORE, Mensa, or WAIS.

corebrain.app

Hey r/SampleSize**,**

I built a short IQ test that uses real psychometric scoring (IRT 3PL — same method as standardized tests) instead of the fake "you got 147!" tests you see everywhere.

It measures 6 cognitive axes: pattern recognition, spatial reasoning, logic, verbal, numeric, and matrix reasoning. Takes ~20 minutes.

I took it myself and got 117 — curious where this sub lands.

Drop your score + strongest axis in the comments.

Link: corebrain.app