The study, conducted by researchers at the University of Massachusetts, looked at the behaviour of 50 children up to the age of three while they played with toys for an hour. A game show played in the background for half of the time and was switched off for the other half hour. Two hidden video cameras were used to monitor the children's behaviour. Researchers found that when the television was on in the background the toy play of the children at every age was disrupted, even though the children...