functions

g-Estimator

Use scores from multiple IQ tests to instantly compute a composite IQ, estimated g-loading, reliability, and 95% confidence intervals.

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Compositator

Enter index scores to instantly compute FSIQ, GAI, and CPI- along with their g-loadings, reliabilities, and 95% confidence intervals.

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Mega Compositator

Enter IQ scores with g-loadings to get an optimized composite IQ, its g-loading, and a rough SLODR estimate.

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Percentile Calculator

Enter a mean and SD plus either a score or probability to instantly convert between the other and calculate rarity.

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World IQ Map

Explore cognitive-ability estimates across the globe, created by merging GWAS and other genotypic IQ data with national IQ scores.

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Gender Distribution

Visualizes male and female IQ distributions and plot the populational distribution at, above, or below any chosen score.

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SC-Ultra

S-C ULTRA is a free guide that combines several tests to give a comprehensive IQ estimate across every factor of general intelligence.

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Progenitor

Predicts likely son and daughter IQ ranges from given parents' IQs at any specified rarity odds.

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Nationalizer

Estimates a population's average IQ by modeling how cranial capacity, malnutrition, and consanguinity affect cognitive ability.