Answer: “Poor first-grade readers almost invariably were poor readers at completion of grade four and tended to become poor writers as well.” C Juel. 1988. P. 218.
Comment: To reverse this inevitable result is a serious challenge. I wouldn’t wait to replicate the result. I would assume that it’s a probable fact and try to reverse it. 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.