| Budget Amount *help |
¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2015: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2014: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2013: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
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| Outline of Final Research Achievements |
The main purpose of this study was to investigate developmental process of communication between infants and their older siblings. Two topics were addressed in this study : (1)1 to 24 months of age, was videotaped in free play (toy-play, pee-a-boo game, book reading session) with their mothers and with their older siblings. The data was recorded in longitudinal studies ; (2) the 3 - year - olds'verbal and gestural input to their mothers and toddlers at the play song and book reading session, with a sample of 3 pairs of older siblings and toddlers.
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