The average American then spends another 32 minutes a day on time-shifted television, an hour using the Internet on a computer, an hour and seven minutes on a smartphone and two hours, 46 minutes listening to the radio.
The article discusses research on daily television (TV) viewing among U.S. infants, toddlers and preschool children cared under center-based and home-based child care programs. It references a study by D. A. Christakis and M. M. Garrison published in the December 2009 issue of "Pediatrics."