Overview: Chapter 9 deals with grouping, differentiation, and technology. The chapter starts off by explaining Carroll's model of school learning and the QAIT model. Quality of instruction, appropriate levels of instruction, incentive and time are underlying factors to consider for effective teaching. The chapter goes on to describe the different ways students may be grouped based on ability. Then Slavin begins to describe different means of differentiation such as personalized instruction, peer tutoring, and teacher tutoring. The chapter then takes a look at the different programs offered for at risk students. Title 1 programs are a type of compensatory program to help overcome low SES. Other programs exist for students who need help overcoming achievement gaps or need extra support such as EIP and after school programs. The chapter ends with Slavin describing the different ways technology is used in the classroom. This particular subject is so ever evolving I'm not sure a ...