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Audun Rosslund; Natalia Kartushina; Nora Serres; Julien Mayor – Child Development, 2025
Growing up with multiple siblings might negatively affect language development. This study examined the associations between birth order, sibling characteristics and parent-reported vocabulary size in 6163 Norwegian 8- to 36-month-old children (51.4% female). Results confirmed that birth order was negatively associated with vocabulary, yet…
Descriptors: Family Size, Birth Order, Siblings, Infants
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Ellis S. Cain; Rachel A. Ryskin; Chen Yu – Cognitive Science, 2025
According to the cross-situational learning account, infants aggregate statistical information from multiple parent naming events to resolve ambiguous word-referent mappings within individual naming events. While previous experimental studies have shown that infant and adult learners can build correct mappings based on statistical regularities…
Descriptors: Parent Child Relationship, Interaction, Infants, Inferences
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Erim Kizildere; Tilbe Göksun – International Journal of Behavioral Development, 2025
This longitudinal study investigated parents' different pretend play behaviors (substitution, animation, and role enactment) to their infants during free play and the bidirectional links with infants' vocabulary development at 14 months (Time-1: N = 34, M[subscript age] = 14.23 months) and 20 months (Time-2: N = 34, M[subscript age] = 20.33…
Descriptors: Play, Parent Child Relationship, Parents, Infants
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Marvin Lavechin; Maureen de Seyssel; Hadrien Titeux; Guillaume Wisniewski; Hervé Bredin; Alejandrina Cristia; Emmanuel Dupoux – Developmental Science, 2025
Before they even talk, infants become sensitive to the speech sounds of their native language and recognize the auditory form of an increasing number of words. Traditionally, these early perceptual changes are attributed to an emerging knowledge of linguistic categories such as phonemes or words. However, there is growing skepticism surrounding…
Descriptors: Infants, Child Development, Acoustics, Native Language
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Lina Hashoul-Essa; Sharon Armon-Lotem – First Language, 2025
Research suggests that girls acquire language faster than boys, with gender differences most pronounced in vocabulary acquisition during early childhood. This study examines the role of gender in the acquisition of vocabulary and morphosyntax in Palestinian Arabic-speaking children aged 18 to 36 months. Using the Palestinian Arabic Communicative…
Descriptors: Arabic, Gender Differences, Morphology (Languages), Syntax
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Kaveri K. Sheth; Naja Ferjan Ramírez – Language Learning and Development, 2025
Research on "parentese," the acoustically exaggerated, slower, and higher-pitched speech directed toward infants, has mostly focused on maternal contributions, although it has long been known that fathers also produce parentese. Given recent societal changes in family dynamics, it is necessary to revise these mother-centered models of…
Descriptors: Computational Linguistics, Parent Child Relationship, Child Language, Syntax