In many cognitive domains, learning is more effective when exemplars are distributed over a number of sessions than when they are all presented within one session. The present study investigated this "distributed learning effect" with respect to English-speaking children's acquisition of a complex grammatical construction. Forty-eight children…

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…

A study of two year olds investigated the nature and development of children's early productivity with verb-argument structure and verb morphology. Results indicated that the children showed no signs of productive verb morphology, but they did use newly learned verbs in some creative ways involving nounlike uses and the appending of locatives.…