“…In fact, interventions by trained personnel have resulted in changes in the allocated time, the engaged time, and the success rate of students (Berliner, 1985). Teachers have modified the behavior of students with learning and behavior problems, and modified their own teaching practices to promote greater student learning, when tutored by trained personnel (see, for example, Sulzer-Azaroff & Mayer, 1986;Stallings, 1980;Good, Grouws, & Ebmeier, 1983). Consultation with teachers who are identified as having problems in their classrooms is bound to be time consuming.…”