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Herzberg, Orit; Fletcher, Katelyn K.; Schatz, Jacob L.; Adolph, Karen E.; Tamis-LeMonda, Catherine S. – Child Development, 2022
Object play yields enormous benefits for infant development. However, little is known about natural play at home where most object interactions occur. We conducted frame-by-frame video analyses of spontaneous activity in two 2-h home visits with 13-month-old crawling infants and 13-, 18-, and 23-month-old walking infants (N = 40; 21 boys; 75%…
Descriptors: Infants, Infant Behavior, Play, Object Manipulation
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West, Kelsey L.; Fletcher, Katelyn K.; Adolph, Karen E.; Tamis-LeMonda, Catherine S. – Developmental Psychology, 2022
Infants learn nouns during object-naming events--moments when caregivers name the object of infants' play (e.g., ball as infant holds a ball). Do caregivers also label the actions of infants' play (e.g., roll as infant rolls a ball)? We investigated connections between mothers' verb inputs and infants' actions. We video-recorded 32 infant-mother…
Descriptors: Mothers, Infants, Child Behavior, Verbs
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Franchak, John M.; Kretch, Kari S.; Soska, Kasey C.; Adolph, Karen E. – Child Development, 2011
Despite hundreds of studies describing infants' visual exploration of experimental stimuli, researchers know little about where infants look during everyday interactions. The current study describes the first method for studying visual behavior during natural interactions in mobile infants. Six 14-month-old infants wore a head-mounted eye-tracker…
Descriptors: Play, Mothers, Infants, Eye Movements