English and German children aged 2 years 4 months and 4 years heard both novel and familiar verbs in sentences whose form was grammatical, but which mismatched the event they were watching (e.g., "The frog is pushing the lion", when the lion was actually the "agent" or "doer" of the pushing). These verbs were then elicited in new sentences. All…

Examined 2-year-olds' comprehension and production of novel nouns, verbs, or actions at 3 intervals after training conducted in massed or distributed exposures. Found that for comprehension, children learned all item types in all training conditions at all retention intervals. Production was better for nonverbal actions than for either word type…