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Individual Differences in Lexical Processing at 18 Months Predict Vocabulary Growth in Typically Developing and Late-Talking Toddlers
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Fernald, Anne; Marchman, Virginia A. – Child Development, 2012
Using online measures of familiar word recognition in the looking-while-listening procedure, this prospective longitudinal study revealed robust links between processing efficiency and vocabulary growth from 18 to 30 months in children classified as typically developing (n = 46) and as "late talkers" (n = 36) at 18 months. Those late talkers who…
Descriptors: Individual Differences, Word Recognition, Language Proficiency, Language Processing
Stylistic Variation at the "Single-Word" Stage: Relations between Maternal Speech Characteristics and Children's Vocabulary Composition and Usage.
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Pine, Julian M.; Lieven, Elena V. M.; Rowland, Caroline F. – Child Development, 1997
Examined relationships between early vocabulary composition, early language use, and properties of mothers' child-directed speech at 10 words. Found that, when the effects of the child on the mother at 10 words was controlled, there was a negative correlation between mothers' production of speech illustrating word boundaries and the percentage of…
Descriptors: Caregiver Speech, Child Language, Individual Differences, Infants
Variation in Vocabulary Development as a Function of Birth Order.
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Pine, Julian M. – Child Development, 1995
Investigated birth-order differences in children's early vocabulary development. Compared the composition and age of acquisition of the first 50 and 100 words of 9 firstborns and their younger siblings, using a longitudinal maternal diary methodology. A small but significant birth-order effect was found for the age at which the 50-word milestone…
Descriptors: Birth Order, Comparative Analysis, Developmental Stages, Individual Differences
Family Risk of Dyslexia Is Continuous: Individual Differences in the Precursors of Reading Skill.
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Snowling, Margaret J.; Gallagher, Alison; Frith, Uta – Child Development, 2003
Followed development of children at family risk for dyslexia from 3 years to 8 years. Found that 66 percent of high-risk group had reading disabilities at age 8 compared with only 13 percent in a control group. However, family risk of dyslexia was continuous. Interpreted findings within a model in which problems in establishing a phonological…
Descriptors: At Risk Persons, Children, Cognitive Ability, Comparative Analysis
Parents' Report of Vocabulary and Grammatical Development of African American Preschoolers: Child and Environmental Associations.
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Roberts, Joanne E.; Burchinal, Margaret; Durham, Meghan – Child Development, 1999
Examined how child and family factors influence individual differences in the language development of African-American children between 18 and 30 months of age. Found that vocabulary and utterance length increased linearly. Children from more stimulating and responsive homes had larger vocabularies, used more irregular nouns and verbs, and had…
Descriptors: Age Differences, Black Youth, Child Development, Comparative Analysis