Presents a functional grammatical analysis of the writing that 128 seventh- and eighth-grade students produced in response to their science teacher's directive to describe a picture. Identifies the register elements of the task and the grammatical difficulties it posed for students. Shows that teachers can help students use grammatical resources…

Suggests that mode of discourse, experiential demand, and gender are significant predictors of writing quality. Finds that narrative writing tasks elicit higher ratings than descriptive or expository; writing tasks requiring personal response (rather than impersonal or outside knowledge) received higher ratings; and quality of writing was more…

Presents evidence that written responses to modality develop from a homogeneous writing quality to a more heterogeneous writing quality with some modes systematically favored over others." (Author)

An analysis of descriptive and narrative passages written by 45 first-semester college freshmen early in the semester suggests that mean T-unit length is not a stable individual trait either within the descriptive mode or across description and narration. (GT)