The Dickens-Flynn model, with high gene-environment correlations (the effects of genetic differences seem large because those genetic differences lead to assortment into different environments, but broad environmental change can still have major effects, as in the Flynn Effect) seems a very powerful indicator that environmental explanations are possible.
The Dickens-Flynn model, with high gene-environment correlations (the effects of genetic differences seem large because those genetic differences lead to assortment into different environments, but broad environmental change can still have major effects, as in the Flynn Effect) seems a very powerful indicator that environmental explanations are possible.