Grammatical agreement makes different demands on speakers of different languages. Being widespread in the languages of the world, the features of agreement systems offer valuable tests of how language affects deep-seated domains of human cognition and categorization. Number agreement is one such domain, with intriguing evidence that typological…

Languages differ from one another and must therefore be learned. Processing biases in word order can also differ across languages. For example, heavy noun phrases tend to be shifted to late sentence positions in English, but to early positions in Japanese. Although these language differences suggest a role for learning, most accounts of these…

The study examines whether speakers exaggerate prosodic cues to syntactic structure when addressing young children. In four experiments, 72 mothers and 48 non-mothers addressed either real 2-4-year old or imaginary children as well as adult confederates using syntactically ambiguous sentences like "Touch the cat with the spoon" intending to convey…