The researcher employed two designs to address the research question for this particular study. This quasi-experimental non-equivalent control group study compared the math achievement of 92 eighth grade students who received Classroom Performance System (CPS)-based instruction using Peer Instruction (PI) to 76 eighth grade students who received…

For most of the last 50 years, teachers and administrators have perceived professional development and the instructional role primarily in terms of what one individual does with classes of others. Teachers, like their students, were considered to be rather passive acceptors of the instruction, rather than active modifiers. Thus, there was very…