The level of instruction is adjusted to meet the needs of middle to high achieving students, and the pacing of instruction based on feedback from lower achieving students. “As a result, the entire student body suffers, so that fast-paced achievers are not sufficiently stimulated, whereas low achievers may feel frustrated; decreased motivation and off-task behaviors are likely to follow” (Ben-Ari & Eliassy, 2003, p. 145).

