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…

An analysis of the use of attenuation (structural or semantic softening of the speech act) and sentence structure in elicited speech acts by normally developing, learning disabled, and developmentally delayed populations is presented. In the normally developing population (1) the development of attenuation strategies is different from structural…