This article reports on two novel word-learning experiments examining children's use of subject animacy to categorize novel adjectives as either "tough" adjectives (e.g., "easy," "hard") or control adjectives ("afraid," "eager"). In Experiment 1, a group of 4- to 7-year-olds watched videos…

I describe the results of an experiment that bears on how children learn the lexical and syntactic properties of abstract verbs ("seem," "try") in order to distinguish the subclasses of raising ("seem") and control verbs ("try"). Previous research suggested that an inanimate subject in certain contexts leads children to suppose that the subject…