Study of 3 and 7 year olds and adults examined role that changes in continuity, direction, instrument, and causative agent play in children's and adults' initial assumptions about meaning of novel motion verbs and events. Subjects made similar initial assumptions, but children generalized more conservatively than adults to all change types in…

Between the ages of 3 and 7 years, children have been observed to produce verb argument structure overgeneralization errors (e.g., Don't giggle me; Bowerman, 1982, 1988; Pinker, 1989). A number of recent studies have begun to find evidence that the precise distributional properties of the input may provide an important part of the explanation for…

Investigated third and sixth graders' understanding of factive presupposition using two tasks: one requiring an abstract truth judgment of the verb complement, the other calling for informal judgment of consistency between the target sentence and the negation of its complement. Results indicated the development of factive presupposition is an…