A nine-month-old child is typically developing if he can speak even one word. With the benefit of proper scaffolding, he'll know fifty to one hundred words within just a few months. By two, he will speak around 320 words; a couple months later — over 570. Then the floodgates open. By three, he'll likely be speaking in full sentences. By the time he's off to kindergarten, he may easily have a vocabulary of over 10,000 words.
For years, the advice has been that the way to kick-start a child's language learning was to simply expose kids to massive amounts of language. However, as we explain in our book "NurtureShock: New Thinking About Children," the newest science has concluded that the central role of the parent is not to push massive amounts of language into the child's ears. Rather, the central role of the parent is to notice what's coming from the child and respond accordingly.
With that in mind, we shared some of the scientists' hottest tips in children's language learning.
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