The steady flow of alarming headlines about screen time fuels guilt and confusion. We live in an era of intensive parenting, where every decision feels like it might determine a child’s future. When screen time is presented as universally harmful, many caregivers feel they’ve failed if their child watches TV for half an hour—even if that brief break allows them to cook dinner, rest, or take a shower.

Our new study reveals what gets left out of the conversation about screen time.

In today’s fast-paced, information-driven world, parents often turn to the internet for advice and research about raising children....