Proposed Explanations
See also: Health and intelligenceAttempted explanations have included improved nutrition, a trend toward smaller families, better education, greater environmental complexity, and heterosis (the occurrence of genetically superior offspring from mixing the genes of its parents). Another proposition is the gradual spread of test-taking skills. The Flynn effect has been too rapid for genetic selection to be the cause.
Read more about this topic: Flynn Effect
Famous quotes containing the words proposed and/or explanations:
“We have no one to blame for the Kennedys but ourselves. We took the Kennedys to heart of our own accord. And it is my opinion that we did it not because we respected them or thought what they proposed was good, but because they were pretty. We, the electorate, were smitten by this handsome, vivacious family.... We wanted to hug their golden tousled heads to our dumpy breasts.”
—P.J. (Patrick Jake)
“In the nineteenth century ... explanations of who and what women were focused primarily on reproductive events—marriage, children, the empty nest, menopause. You could explain what was happening in a woman’s life, it was believed, if you knew where she was in this reproductive cycle.”
—Grace Baruch (20th century)