“…ow ever, there 1 997 IDEA emphasize understanding why thatthe use of aversives in the absence of systematic numerous strategies that teachers can use to differentiate instruction. Those strategies relate to organization ( e g , physical arrangement of the classroom, grouping students for instruction); curriculum and instruction (e.g., varying the difficulty level and amount of material, oral versus written responses); and evaluation (e.g., administrative format, student response mode, criterion) (Arllen, Gable, and Hendrickson 1996). Other strategies focus on increasing student capacity to acquire, accumulate, and retrieve the content of instruction (e.g., note-taking skills, work retention skills, mnemonic devices) (Rogan et al 1995).…”