Behavioral science suggests that responding well to education and opportunity may itself be a partly inherited trait - not just a product of good parenting - Silicon Canals

"The study, published in Scientific Reports by personality psychologist Petri Kajonius, followed approximately 880 twins from the German TwinLife project. Participants took IQ tests at age 23. Four years later, researchers measured their socioeconomic status based on education, occupation, and income."

"The results were striking. IQ at 23 was strongly predictive of socioeconomic outcomes at 27. And the link between the two was largely explained by genetics, ranging from 69 to 98 percent across different outcome measures - a wide spread that reflects how differently genetics appears to bear on education, occupation, and income when measured separately."

"IQ itself was estimated to be around 75 percent heritable in this sample, consistent with a range frequently reported in the behavioral genetics literature, though researchers note that heritability estimates are population-specific and can shift meaningfully across different environments and life stages."

A study followed about 880 twins from the German TwinLife project. IQ was measured at age 23, and socioeconomic status was assessed four years later using education, occupation, and income. IQ at 23 strongly predicted socioeconomic outcomes at 27. The relationship was largely explained by genetics, with estimates ranging from 69% to 98% depending on the specific socioeconomic measure. IQ itself showed substantial heritability, estimated around 75% in this sample. The study notes that heritability estimates are population-specific and can change across environments and life stages.

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