The first half of this document reports on research that explores the ways in which knowledge of the world affects judgments of sentence acceptability. Sixty children in grades four through eight were studied at two times, one year apart. The subjects were first interviewed regarding their knowledge of the world in order to identify their role…

Developmental trends in the effects of expectations regarding agent/action matches on judgments of sentence acceptability were investigated. Five sentences reflected expected relations ("harmonious") and five contradicted them ("contrary"). Twelve subjects each were in grades 4 through 8 during year 1; the same 60 subjects…