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Index/Topics/Job Performance and IQ

Job Performance and IQ

The correlation between IQ scores and job performance in various occupations

Fact-Checks

3 results
Jan 18, 2026

How do socioeconomic factors like childhood poverty and school quality affect measured IQ scores across groups?

Socioeconomic factors—especially childhood poverty and school quality—exert large, measurable effects on group differences in IQ test scores, with disparities appearing in infancy and widening through...

Jan 17, 2026

What role do education and environment play in measured IQ differences?

Education and the broader environment clearly influence measured IQ: multiple quasi-experimental meta-analyses and cohort studies estimate that each additional year of schooling raises IQ test scores ...

Jan 5, 2026

Can IQ tests predict real-world outcomes like job performance and life success?

IQ scores are meaningfully correlated with measured outcomes such as school grades, certain measures of job performance, and other life outcomes, but they are far from deterministic and their predicti...

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