“…The computer poses a question or a task, and after the reader has given an answer, the computer gives the correct answer and the coach indicates whether or not the reader's response matched the computer's. Research on peerassisted learning strategies of this kind (though lacking computers) in early reading has found substantial positive effects on reading measures (Calhoon, Al Otaiba, Cihak, King, & Avalos, 2007;Calhoon, Al Otaiba, Greenberg, King, & Avalos, 2006;Greenwood et al, 1987;Mathes & Babyak, 2001;Mathes et al, 1998Mathes et al, , 2003. Slavin et al (2010), summarizing outcomes for struggling readers in studies of peer-assisted learning methods, reported a sample-size weighted mean effect size of 0.58 on independent reading measures.…”