32 pagesA recent report by the What Works Clearinghouse (2012) examined two studies of the use of
Reading Mastery with learning disabled students and concluded that it had “no discernible
effects on reading comprehension and potentially negative effects on alphabetics, reading
fluency, and writing.” This conclusion is in stark contrast to dozens of studies of Reading
Mastery and other elements of the Direct Instruction (DI) corpus of material. This research
has consistently found strong positive effects of the programs on academic achievement for
students of all ability levels
