幼児期におけるテレビ視聴時間 - 蝉コロンBBC News - ’Long-term harm’ of too much TV for toddlers幼児期のテレビ視聴と小学生になってからの行動との相関論文："Prospective Associations Between Early Childhood Television Exposure and Academic, Psychosocial, and Physical Well-being by Middle Childhood" Linda S. Pagani, PhD; Caroline Fitzpatrick, MA; Tracie A. Barnett, PhD; Eric Dubow, PhD, Arch Pediatr Adolesc Med. 2010;164(5):425-431. Prospective longitudinal study：約1300人
