Increased heritability for lower IQ levels?

doi:10.1007/BF01065975

Back to search

Article

Increased heritability for lower IQ levels?

Behavior genetics - 1 Jul 1991

Bailey J M, Revelle W

Abstract excerpt

Detterman et al. (1990) presented evidence based on twins that the heritability of IQ may be higher in the lower part of the IQ range. We first offer an alternative test for differential heritability across the IQ range, based on the analysis of absolute intrapair differences of monozygotic versu...

Topics

Adoption
Humans
Intelligence
Phenotype
Social Environment
Twins, Dizygotic
Twins, Monozygotic

Community interpretation

Discuss the evidence

Ask a question, add context or challenge an interpretation. Community activity is separate from scientific evidence strength.

discussions

replies

Citations encouraged

Claims remain attributable.

No discussion yet

Be the first to add a careful, cited interpretation.