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…

This longitudinal study identified hard-to-manage older toddlers and younger preschoolers, assessed the developmental course and prognostic significance of their difficult behavior, and delineated family factors possibly associated with early and persistent problems. Obtained from parents, teachers, and observers, cross-situational and…

This article reports on DISCOVERY, a conceptual model for a clinical system of early detection and early intervention in cases of autism that has been implemented in Yokohama, Japan. Longitudinal data from 49 children who participated in a program during 1987-1990 indicate 32 were still being followed in 1999. (Contains references.) (Author/CR)

This report describes options for study designs to evaluate the effect of early intervention on infants and toddlers, birth to three, with disabilities or developmental delays and their families in Washington state. Information was gathered from extensive literature reviews, a survey of local assessment efforts in Washington, a technical data…

The National Early Intervention Longitudinal Study (NEILS) is being conducted to address important questions related to the implementation and outcomes of Part C of the Individuals with Disabilities Education Act (IDEA). NEILS is following a nationally representative sample of children from birth to 3 years old and their families through and after…

Addresses how affective facial expression interacts with the linguistic forms in American Sign Language (ASL) motherese. The article presents data from both cross-sectional and longitudinal interaction from 15 deaf mothers signing with their deaf toddlers. Findings indicate a shift from affect to grammar at about the child's second birthday. (59…

Cross-sectional and longitudinal study of one- to six-year-olds in full-time child care assessed sequences and individual differences in development of social competence with peers. Study collects most extensive and varied data to date. Findings concern stability of individual differences, social classifications, influences of variations in…

The National Institute of Child Health and Human Development (NICHD) Study of Early Child Care is an ongoing, prospective, 3-year longitudinal study of over 1,300 full-term healthy infants and families from 10 sites across the United States. While the sample is not nationally representative, the subjects come from major regions of the country: the…

Identified predictors of outcomes for 30-month-olds with developmental delays or biomedical risk factors in child care. Found that after accounting for selection effects, child characteristics at 12 months, and home caregiving quality, no child-care variables predicted development or attachment security. Older entry age predicted greater…

The Infant/Toddler Program of the Louise Child Care Center began providing full time day care to young children of working parents in the fall of 1978. While delivering this service, the Center conducted a longitudinal, exploratory investigation into the responses of children and their families to a group-home day care setting. The study was…

Examined psychometric properties of Parenting Stress Index. Subjects were 191 low-income, urban African American mothers. Found acceptable subscale internal consistency and stability over six months. Concurrent validity revealed high convergence across measures among mothers reporting consistent stress. Subjects reported elevated stress levels in…

The National Early Intervention Longitudinal Study (NEILS) is being conducted to address some of the most important questions related to the implementation and outcomes of Part C of the Individuals with Disabilities Education Act (IDEA). NEILS is following a nationally representative sample of children from birth to 3 years old and their families…

The present study assessed mastery behaviors in toddlers with physical impairment during object and social play interaction with their parents. Poor mastery motivation in object play of children with physical impairments has been attributed to difficulty in independently structuring tasks, limited experience in play effectiveness, and frequent…

This study investigated the earliest manifestations of verb tense and agreement in English-speaking children, using longitudinal data on the language of four children aged 1:6 to 3:5 years, drawn from a child-language database. Analysis focused on one aspect of inflectional phrase (IP), the children's use of the verbs "be" and "do" forms to mark…

Relationships between the function and content of maternal interventions to control their toddlers' behavior and behavior problems and compliance in the child's fifth year were studied. Naturalistic observation of 51 dyads consisting of depressed and nondepressed mothers and their children who were 1.5 to 3.5 years old at the time of first…