you are looking in this data for evidence that TV is bad, which is what the authors argue, high watching before age three seems to be an issue. However, watching TV at older ages doesn’t seem to matter. When the authors compared, say, the kids who watched only a little TV before age three and then a lot between ages three and five to the children who watched little TV before age three and little later, they found their test scores to be no different. If anything, the kids who watched more TV later had higher test scores than those who watched less. This throws some cold water on the idea of
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