Studies cast doubt on screen time rules

When five pm hits, Jessica flicks on the TV. She knows Lula, her two-and-a-half-year-old, will pass the witching hour in relative peace watching ABC Kids. Screen time rules proponents may caution her: no more than that per day, until Lulu is five. A recent study seemed to lend support for this position. University of Calgary, Canada researchers asked parents to evaluate their children's abilities at ages two and three, and compare them to when their children were three and five, respectively.