24 JUL 2011 by ideonexus

 The Myth of the Educated Parent

Remarkably enough, the most obvious influence over children's language development turned out to be the mere amount of parents' talking; children whose parents addressed or responded to them more in early life had larger, faster-growing vocabularies and scored higher on IQ tests than children whose parents spoke fewer words to them overall. Parents who talk more inevitably expose their children to a greater variety of words and sentences, so a correlation also turned up between the diversity ...
  1  notes

Controlling for socioeconomic status does show that children whose parents are higher on the education ladder will have better grammar; however, parenting style is a much better predictor of a child's improvement than income.