iGen: Why Today's Super-Connected Kids Are Growing Up Less Rebellious, More Tolerant, Less Happy--and Completely Unprepared for Adulthood--and What That Means for the Rest of Us

by Jean M. Twenge

surveyed 11 million people. Second, the survey administrators were careful to ensure that the people answering the questions were representative of the US population in terms of gender, race, location, and socioeconomic status. That means that the conclusions can be generalized to American young people as a whole