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Direct linkSullivan, Margaret W.; Lewis, Michael – Infancy, 2012
Infants and their mothers participated in a longitudinal study of the sequelae of infant goal-blockage responses. Four-month-old infants participated in a standard contingency learning and goal-blockage procedure during which anger and sad facial expressions to the blockage were coded. When infants were 12 and 20 months old, mothers completed a…
Descriptors: Psychological Patterns, Males, Infants, Mothers
Bennett, David S.; Bendersky, Margaret; Lewis, Michael – Developmental Psychology, 2008
This study examined the effects of prenatal cocaine exposure, environmental risk, and maternal verbal intelligence on children's cognitive ability. Gender and age were examined as moderators of potential cocaine exposure effects. The Stanford-Binet IV intelligence test was administered to 231 children (91 cocaine exposed, 140 unexposed) at ages 4,…
Descriptors: Cocaine, Intelligence Tests, Intelligence Quotient, Children
