Social and interpersonal determinants of developmental risk.

It was hypothesized that maternal teaching style (MTS) and a child's attentional performance mediate the relation between contextual risk factors and intelligence quotient (IQ). One hundred fifty-nine 4-year-old children and their mothers in a longitudinal study of children at risk for mental disorder participated in a maternal teaching task, a Luria bulb-squeeze procedure, and a delayed-match-to-sample (DMS) task in the...