Answer: “A review of the research on sentence combining which concludes that practice in sentence combining probably does improve overall composition quality, but to a limited extent.” RJ Marzano. 1976. P. 293.
Comment: Like everything else in producing successful compositions, many things contribute to the writer’s success. RayS.
Title: “Annotated Bibliography of Research in the Teaching of English, January 1, 1976 to June 30, 1976.” Daniel J. Dieterich. Research in the Teaching of English (Winter 1976), 278-293.