Resolving the IQ paradox: heterosis as a cause of the Flynn effect and other trends.

doi:10.1037/0033-295X.114.3.806

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Article

Resolving the IQ paradox: heterosis as a cause of the Flynn effect and other trends.

Psychological review - 1 Jul 2007

Mingroni Michael A

Abstract excerpt

IQ test scores have risen steadily across the industrialized world ever since such tests were first widely administered, a phenomenon known as the Flynn effect. Although the effect was documented more than 2 decades ago, there is currently no generally agreed-on explanation for it. The author argues that the phenomenon heterosis represents the most likely cause. Heterosis, often referred to as hybrid vigor, is a...

Topics

Alleles
Body Height
Gene Frequency
Genomic Imprinting
Humans
Hybrid Vigor
Inbreeding
Intelligence
Models, Genetic
Multifactorial Inheritance
Phenotype
Quantitative Trait Loci
Social Environment
Stochastic Processes
Twins

Source

Open in PubMed

Identifiers

PMID: 17638507
DOI: 10.1037/0033-295X.114.3.806

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 30 Aug 2026.

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