A study examined the effect of topic-specific background knowledge on the general quality and local coherence of student writing. Ninety-seven tenth grade students were assigned two writing tasks on specific topics at two points during a semester. J. Langer's measure of topic-specific knowledge was administered prior to each writing task. Each…

To determine what effect the perceived audience and purpose of a written piece has on its quality, 30 high ability and 30 low ability writers were selected on the basis of a college placement examination and instructed to write two essays. Half of the students were given specific rhetorical contexts (audience and purpose) as well as topics.…