This study explores the developmental change of mother-child interactions in order to investigate which aspects of maternal behavior affect children's speech production. To this end, the interactions between 79 German-speaking mothers and their two- or five-year-old children were observed at two time points (12 months apart) and in two interactive…

This study analyzed German and Nso mothers' auditory, proximal, and visual contingent responses to their infants' nondistress vocalizations in postnatal Weeks 4, 6, 8, 10, and 12. Visual contingency scores increased whereas proximal contingency scores decreased over time for the independent (German urban middle-class, N = 20) but not the…

Samples of spontaneous speech were collected from 20 English and 20 German preschool children and their mothers. The children's frequency of use of various tenses was compared at different age levels within each language, across languages, and with their mothers' frequency of tense usage in speech to the children. (Author/JMB)