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Children's Intellectual and Emotional-Behavioral Adjustment at 4 Years as a Function of Cocaine Exposure, Maternal Characteristics, and Environmental Risk.
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Bennett, David S.; Bendersky, Margaret; Lewis, Michael – Developmental Psychology, 2002
Examined 4-year-olds for effects on IQ of prenatal cocaine exposure, exposure to other substances, risk factors, and neonatal medical problems. Found that maternal verbal IQ and low environmental risk predicted child IQ. Cocaine exposure negatively predicted children's overall IQ and verbal reasoning scores for boys only. Maternal harsh…
Descriptors: Adjustment (to Environment), At Risk Persons, Behavior Problems, Children
Environmental Risk, Biological Risk, and Developmental Outcome.
Peer reviewed Peer reviewed
Bendersky, Margaret; Lewis, Michael – Developmental Psychology, 1994
Examined the impact of 2 environmental factors--social class and family risk levels--and 2 biological factors--intraventricular hemorrhage (IVH) and medical risk--on the cognitive and motor development of 175 preterm infants. Family risk, early medical risk, and the interaction of family risk and IVH were found to be significant predictors of…
Descriptors: Age Differences, At Risk Persons, Biological Influences, Cognitive Development
Cognitive Performance in the 12-Week-Old Infant: The Effects of Birth Order, Birth Spacing, Sex, and Social Class.
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Lewis, Michael; Gallas, Howard – 1976
This study examines the effects of sex, socioeconomic status, birth order and birth spacing on the cognitive performance of 12-week-old infants. A brief review of research on neonatal cognitive ability is followed by a description of the study itself. The subjects, 189 three-month-old Caucasian infants (61 first borns, 58 second borns, and 49…
Descriptors: Birth Order, Cognitive Development, Cognitive Measurement, Infant Behavior