Authoritative guides on IQ testing, scoring methodology, careers, and our product.
Cognitive ability still predicts job performance, but the corrected correlation fell from r = .51 in 1998 to r = .22 in 2024. See what shrank and what held up.
Dermatology tops the specialty score ranking, but the gap is just 0.87 of one exam SD and no validated USMLE-to-IQ conversion exists. The data, decoded.
We audited 7 popular IQ-to-career tools against published validity evidence. Only 1 of 7 disclosed a coefficient. Here is what the field's research says.
Explore the estimated correlations between LSAT, MCAT, and GRE scores and IQ. Learn what admissions tests actually measure and what they miss about you.
Discover how cognitive tilt, your unique ratio of verbal, math, and spatial ability, is associated with career fit in elite professions like law and STEM.