Amid growing controversy about the oft-cited "30-million-word gap," this investigation uses language data from five American communities across the socioeconomic spectrum to test, for the first time, Hart and Risley's (1995) claim that poor children hear 30 million fewer words than their middle-class counterparts during the early years…

Oral language development is a key outcome of elementary school, and it is important to identify factors that predict it most effectively. Commonly researchers use ordinary least squares regression with conclusions restricted to average performance conditional on relevant covariates. Quantile regression offers a more sophisticated alternative.…

Examined National Longitudinal Survey of Youth data on four versions of HOME-Short Form for four major ethnic groups. Found differences for majority of items between poor and non-poor families. Magnitude of effect for poverty was greater than for ethnicity. For every item at every age, effects of poverty were proportional across European American,…

Examined differences in intelligence test scores of black and white five-year-olds born premature with low birth weight. Found that black children's IQ scores were 1 SD lower than those of white children. Adjustments for ethnic differences in poverty reduced the differential by half; adjustments for differences in home environment reduced it by…

Investigated parenting behavior, parent/adolescent relationship, and adolescent attitudes and behaviors in three family types. Results showed minimal support for the hypothesis that welfare is negatively related to family processes and adolescent attitudes and behavior, although mothers receiving welfare reported fewer effective parent-management…

Examined the quality of care provided to children from low-income families, using data from a nationally representative survey of child care centers and a five-site observational study of centers. Found that the quality of care in centers serving predominantly low-income families was better than centers serving middle-income families. (MDM)

Examines the effects of persistent economic hardship on children. Both black and white children who experienced persistent family economic hardship demonstrated problems in peer relations, showed conduct problems at school, and reported low self-esteem. Connections between persistent economic hardship and psychosocial adjustment were more…

Assessed effects of social risks on psychological adjustment of African American and black South African 6- year-olds. Confirmed poverty and gender as risk factors; but not single-female family headship. Found that poverty and gender posed less risk for South Africans than African Americans. Found gender and national differences in adjustment;…