Answer: “The nature of writing skill measured by the G.E.D. writing test was a single construct reflecting generalized proofreading/editing skills.” J Baldwin 199. P. 214.
Comment: The G.E.D. measures basic competency. Why not? RayS.
Title: “Annotated Bibliography of Research in the Teaching of English.” JD Marshall and RK Durst, Eds. Research in the Teaching of English (May 1990), 205-221.