Nouns form the first building blocks of children's language but are not consistently modified by other words until around 2.5 years of age. Before then, children often combine their nouns with gestures that indicate the object labeled by the noun, for example, pointing at a bottle while saying "bottle." These gestures are typically…

Preschoolers' performance on two tasks demonstrated that, given a perceptually available set of dolls, they were able to use number words to determine the quantity of a hidden or nonexistent set of items that was in a known ratio to the available set. (MM)

Investigated whether the content of infant speech productions is better characterized as preserving stressed and final syllables or as preserving a trochaic pattern; used a detailed longitudinal description of one child's syllable omission. Found that the trochaic template hypothesis was not supported by these early productions. (Author/JPB)

Studied the relationship between parents' correcting of childrens' sentences and children's subsequent grammaticality. Found that parent's language corrections are related to children's subsequent grammaticality but that recasts of incorrect sentences serve as negative leading indicators of grammaticality. Also shows that correction and negative…

Examined mothers' and preschoolers' emotion talk for age- and gender-related patterns in use of labels and explanations. Found that children used emotion words mainly in labels. Boys' emotion talk increased with age. The youngest girls had more emotion talk than same-age boys. Mothers used more explanations than labels with boys but similar…