Examined the evidence for the reciprocity of negative affect between mothers and young children in disciplinary encounters. Although children responded contingently and reciprocally to maternal negativity, they also reacted negatively to maternal positive affect. (SH)

Examines the childrearing correlates of impulse control in 18 mothers and their 14-month-old toddlers. Shows that mothers who relied on physical punishment had infants who were more likely to ignore maternal prohibitions, to manipulate breakable objects, and to show low levels of nonverbal competence seven months later. (HOD)