Archives of Adolescent & Pediatric Medicine

A recent report on whether toddlers who watched an educational DVD for six weeks improved their word learning found there were no real vocabulary differences between the two groups, except in cases where parents intervened to teach the words to their children.
Researchers from the University of California, Riverside, studied 96 12- to 25-month-olds, half of whom watched the DVDs at home and half of whom did not. 

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