With their immersion in YouTube, TikTok, and Instagram, kids have become steeped in a culture in which visibility equals validation.

Creating phone-free times and spaces can benefit both children and adults. “Mom, when can I have a phone?” my 4-year-old asked recently. I was taken aback.

While past research has focused on how kids are affected when parents or guardians are on their screens, this study looked at the impact of cell phone use on parent-child interactions even when ...