Kawakami Kiyobumi, Takai-Kawakami Kiyoko
University of the Sacred Heart, 4-3-1, Hiroo, Shibuya-ku, Tokyo 150-8938, Japan.
Japan Women's University, 2-8-1, Mejirodai, Bunkyo-ku, Tokyo 112-8681, Japan.
Infant Behav Dev. 2015 Nov;41:108-12. doi: 10.1016/j.infbeh.2015.08.007. Epub 2015 Sep 29.
Peer-directed behaviors of toddlers were longitudinally recorded in a naturalistic preschool setting. An observer (O, the first author) recorded children's behaviors during play sessions with an IC recorder. One-year-old children (N=13) and children under the age of 12 months (N=8) were observed for 15 min, 6 times in a year. Their teaching, caring, and altruistic behaviors were analyzed in detail. Results indicated that peer-directed behaviors of one-year-olds increased dramatically. It is concluded that toddlers are sophisticated social being.
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