“…Considerable research interest has been generated by the project (Fletcher & Dubaldi, 1975). Investigative efforts may be categorized as basically comparative (Stallings and Snyder, 1977;James, 1972;Lashier & Nieft, 1975), or oriented towards reading (ISCS Newsletter, 1970;Zorn, 1971;Allen, 1974), attitude (Lashier & Nieft, 1975;Martinez-Perez, 1973), and achievement (McDuffie & Beehler, 1978;McDuffie, 1979;Gabel & Herron, 1977). Commonly, time spans are short and achievement, when determined, is equated with course grades or standardized test scores.…”