Letitia R. Naigles (Ph.D. 1988, University of Pennsylvania) is Professor of Psychology at the University of Connecticut. Her research investigates the processes of language acquisition in children with autism and compares language development across languages and cultures.Erika Hoff (Ph.D. 1981, University of Michigan) is Professor of Psychology at Florida Atlantic University. Her research investigates the role of input in early language development and the relation of phonological memory to early lexical development in monolingual and bilingual children.

• Abstract. I. Introduction.Ii. Presenting the diary method.Iii. A general description of early verb growth and use.Iv. Pragmatic and semantic flexibility in early verb use.V. Productivity and grammatical flexibility in early verb use.Vi. Differences in early verb growth and use as a function of Developmental period, child, and verb.Vii. General discussion.References.Acknowledgments.Commentary.Flexibility in the semantics and syntax of children’s early verb use (Michael Tomasello and Silke Brandt).Learning from infants’ first verbs (Sandra R. Waxman).Early verb learners: creative or not? (Jane B. Childers).Contributors.Statement of editorial policy.

Letitia R. Naigles (Ph.D. 1988, University of Pennsylvania) is Professor of Psychology at the University of Connecticut. Her research investigates the processes of language acquisition in children with autism and compares language development across languages and cultures.Erika Hoff (Ph.D. 1981, University of Michigan) is Professor of Psychology at Florida Atlantic University. Her research investigates the role of input in early language development and the relation of phonological memory to early lexical development in monolingual and bilingual children.

• Abstract. I. Introduction.Ii. Presenting the diary method.Iii. A general description of early verb growth and use.Iv. Pragmatic and semantic flexibility in early verb use.V. Productivity and grammatical flexibility in early verb use.Vi. Differences in early verb growth and use as a function of Developmental period, child, and verb.Vii. General discussion.References.Acknowledgments.Commentary.Flexibility in the semantics and syntax of children’s early verb use (Michael Tomasello and Silke Brandt).Learning from infants’ first verbs (Sandra R. Waxman).Early verb learners: creative or not? (Jane B. Childers).Contributors.Statement of editorial policy.

Letitia R. Naigles (Ph.D. 1988, University of Pennsylvania) is Professor of Psychology at the University of Connecticut. Her research investigates the processes of language acquisition in children with autism and compares language development across languages and cultures.Erika Hoff (Ph.D. 1981, University of Michigan) is Professor of Psychology at Florida Atlantic University. Her research investigates the role of input in early language development and the relation of phonological memory to early lexical development in monolingual and bilingual children.

• Abstract. I. Introduction.Ii. Presenting the diary method.Iii. A general description of early verb growth and use.Iv. Pragmatic and semantic flexibility in early verb use.V. Productivity and grammatical flexibility in early verb use.Vi. Differences in early verb growth and use as a function of Developmental period, child, and verb.Vii. General discussion.References.Acknowledgments.Commentary.Flexibility in the semantics and syntax of children’s early verb use (Michael Tomasello and Silke Brandt).Learning from infants’ first verbs (Sandra R. Waxman).Early verb learners: creative or not? (Jane B. Childers).Contributors.Statement of editorial policy.