As technology advances, so do our fears about it. Socrates himself didn’t care for the new advancement of writing. And my parents were always on me to watch less TV.

Yet now as a parent, I’m always trying to limit how much screentime my 3-year-old spends with a phone or tablet. After all, everyone knows little kids are drawn to those portable devices like moths to a touch-sensitive flame, right?

Not so fast, suggests a study this week in JAMA Pediatrics. Despite that perception, TV con