A community-sourced wiki dedicated to offering a comprehensive understanding of the science of human intelligence.
Start here for a concise overview of psychometric science.
Quick answers to the most common psychometric queries.
Addressing various IQ misconceptions which have permeated pop culture.
Explore the general intelligence factor and its empirical support.
Statistics glossary overviewing essential terms and concepts.
Documenting the generational rise in IQ scores and its proposed causes.
Ask in-depth questions about IQ, psychometrics, intelligence theory, statistics, and cognitive science.
Research on the pre-1994 SAT as a measure of general intelligence (g), including correlations with IQ tests, coaching effects, and historical design. Also explores national averages and declines, controversy, test validity, bias, and mean major scores.
This article evaluates the psychometric properties of the Gifted Entry Test (GET), a modernized adaptation of the Otis Gamma (Form EM), using a large online sample (N = 76,009).
Examines the true causes behind the Flynn Effect and whether it represents a real increase in intelligence. Then examines the reverse Flynn Effect and modern dysgenics in some countries. Examines education, test-specific factors, health, and nutrition.
This wiki article explains why most methods fail to boost general intelligence and explores emerging scientific pathways for future enhancement.
