Describes a sequence of four studies that explored how people composed sentences while writing expository essays. Among the findings were that the sentence composition process was often guided by a writing plan, and the most frequent changes accomplished by revision of parts were word choice, aspect of meaning, and grammatical structure. (HOD)

Explores findings from research on the psychology of reading that may confirm and enlarge upon both the importance of planning and the perceptions of plans in writing and reading. (RL)