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Sustained Attention across Toddlerhood: The Roles of Language and Sleep
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McQuillan, Maureen E.; Bates, John E.; Staples, Angela D.; Hoyniak, Caroline P.; Rudasill, Kathleen M.; Molfese, Victoria J. – Developmental Psychology, 2021
The present study examined individual differences in the development of sustained attention across toddlerhood, as well as how these individual differences related to the development of language and sleep. Toddlers (N = 314; 54% male) were assessed at 30, 36, and 42 months using multiple measures of attention, a standardized language assessment,…
Descriptors: Toddlers, Individual Differences, Attention Span, Age Differences
Modeling Socioeconomic Status Effects on Language Development
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Thomas, Michael S. C.; Forrester, Neil A.; Ronald, Angelica – Developmental Psychology, 2013
Socioeconomic status (SES) is an important environmental predictor of language and cognitive development, but the causal pathways by which it operates are unclear. We used a computational model of development to explore the adequacy of manipulations of environmental information to simulate SES effects in English past-tense acquisition, in a data…
Descriptors: Socioeconomic Status, Language Acquisition, English, Morphemes
Stability of Language in Childhood: A Multiage, Multidomain, Multimeasure, and Multisource Study
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Bornstein, Marc H.; Putnick, Diane L. – Developmental Psychology, 2012
The stability of language across childhood is traditionally assessed by exploring longitudinal relations between individual language measures. However, language encompasses many domains and varies with different sources (child speech, parental report, experimenter assessment). This study evaluated individual variation in multiple age-appropriate…
Descriptors: Longitudinal Studies, Child Language, Measures (Individuals), Age Differences
Implicit Statistical Learning Is Directly Associated with the Acquisition of Syntax
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Kidd, Evan – Developmental Psychology, 2012
This article reports on an individual differences study that investigated the role of implicit statistical learning in the acquisition of syntax in children. One hundred children ages 4 years 5 months through 6 years 11 months completed a test of implicit statistical learning, a test of explicit declarative learning, and standardized tests of…
Descriptors: Learning Processes, Language Acquisition, Syntax, Language Patterns
Fluctuations in Unimanual Hand Preference in Infants Following the Onset of Duplicated Syllable Babbling.
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Ramsay, Douglas S. – Developmental Psychology, 1985
Infants were tested for unimanual handedness at weekly intervals for a 14-week period beginning with the week of onset of duplicated syllable babbling. Group analyses indicating effects of sex and/or birth order on fluctuations and date review for individual infants suggested considerable variability across infants in occurrence and/or timing of…
Descriptors: Birth Order, Cerebral Dominance, Individual Differences, Infants
The Structure of Language Abilities at 4 Years: A Twin Study.
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Colledge, Essi; Bishop, Dorothy V.M.; Koeppen-Schomerus, Gesina; Price, Thomas S.; Happe, Francesca G.E.; Eley, Thalia C.; Dale, Philip S.; Plomin, Robert – Developmental Psychology, 2002
Language development was studied in 310 pairs of 4-year-old twins. Rotated factor analyses indicated presence of a general language factor (L) and a general nonverbal factor (NV). Moderate genetic influence was found for L and NV abilities. Bivariate genetic analysis estimated a genetic correlation of .63 between L and NV abilities. Results…
Descriptors: Cognitive Development, Factor Analysis, Individual Differences, Language Acquisition
Development of Young Children's Phonological and Orthographic Knowledge as Revealed by Their Spellings.
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Stage, Scott A.; Wagner, Richard K. – Developmental Psychology, 1992
Nonword spellings were obtained from children in kindergarten through third grade in a study of the development of young children's phonological and orthographic knowledge. Results indicated that young children's nonword spellings reflected the joint influences of linguistic knowledge and psychological processes. (GLR)
Descriptors: Age Differences, Elementary School Students, Individual Development, Individual Differences
Early Vocabulary Growth: Relation to Language Input and Gender.
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Huttenlocher, Janellen; And Others – Developmental Psychology, 1991
Examined the role of exposure to speech in children's vocabulary growth. Characterized vocabulary growth rates for children from 14 to 26 months of age. Found a relation between individual differences in vocabulary acquisition and variations in the amount of a mother's speech to her children. (BC)
Descriptors: Caregiver Speech, Individual Differences, Infants, Language Acquisition
External Sources of Individual Differences? A Cross-Linguistic Analysis of the Phonetics of Mothers' Speech to 1-Year-Old Children.
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Vihman, Marilyn M.; And Others – Developmental Psychology, 1994
Sampled the speech of American, French, and Swedish mothers to their one-year olds, to analyze distribution of phonetic parameters of adult speech, as well as children's own early words. Found that variability is greater in child words than in adult speech, and mother-child dyads showed no evidence of specific maternal influence on phonetics of…
Descriptors: Caregiver Speech, Child Language, Cognitive Development, Cross Cultural Studies