12_early_social_dev_2

12_early_social_dev_2 - ID speech and word learning Does ID...

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1 1 ID speech and word learning • Does ID speech facilitate word learning in 14 - 15- month-olds? • Manipulate speech type when labeling novel objects with novel words • Also manipulate rhythmic motion of objects Infant-directed motion • Mothers move objects with more exaggerated motions when demonstrating them to infants –(Brand and Baldwin, 2002) • Mothers typically move objects in synchrony with their speech to infants • Motion facilitates associations between auditory and visual stimuli –(Gogate and Bahrick, 2001; Werker et al. 1998) Method Visit 1 Training target object and distracter 4 conditions 3 trials per object: 3 labels/30 sec N = 128 Comprehension test new exptr 4 trials: R/L generalization Visit 2 Retention test 4 trials: R/L generalization
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2 Novel object pairs Generalization objects Testing word comprehension • How do you ask a 13-month-old if he/she knows a word for something?
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3 motion no motion 13 month olds: immediate comprehension 13 month olds: retention after 24 hours motion no motion 15 month olds: immediate comprehension
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This note was uploaded on 09/19/2009 for the course PSYCH 2090 taught by Professor Goldstein, m during the Spring '07 term at Cornell.

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12_early_social_dev_2 - ID speech and word learning Does ID...

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