Lexical Form Class Information Guides Word-to-Object Mapping in Preschoolers.

Three experiments examined role of lexical-form class in preschoolers' establishment of word-to-object mappings in referentially ambiguous situations. Results indicated that preschoolers were most likely to reject two words for the same object if both were proper names, and were less likely to reject if both were adjectives or if one was proper name and the other an adjective. (Author/KB)