The ‘Single Greatest Hindrance’ to Learning
Welcome to Up for Debate. Each week, Conor Friedersdorf rounds up timely conversations and solicits reader responses to one thought-provoking question. Later, he publishes some thoughtful replies. Sign up for the newsletter here.Last week, I asked readers if parents should stop giving their children smartphones before high school.Replies have been edited for length and clarity.Eric is a teacher.