IQ tests don't measure other kinds of skills that are important in the real world, like creative and practical skills. These skills are really important for success on the job but are not measured on any test. And that's a problem. Not all agree to what extent our genes are in control here. Those figures are not based on the hardest of science.
Parents have to be actively involved, use their own words, make up their own games.
That way we optimize bonding. They say that after those babies are born, they sleep better, are more alert, confident, and content than those who were not stimulated. There's no evidence to support any of that stuff. Even the person who discovered the Mozart effect has disowned it. Baron, who sees a good number of frustrated families in his clinical practice, agrees.