This particular activity is known as best practice, which means that it is a very effective tool for helping students understand the material they know. Students working in groups is an important part of this lesson and we will look at how this can be effective and ineffective. Strengths and Weaknesses of this Teaching Approach First I would like to discuss the strengths and weaknesses of this teaching approach. The KWL graph is an important aspect of this lesson. When students write down their prior knowledge, this is very important as we learned earlier when talking about attention. “As stated in the PowerPoint, having prior knowledge improves a student's selective attention, the student may find it easier to identify and focus on important issues – this is called top-down processing. Top-down processing focuses on the external, and teachers will be able to go into more detail once they assess the student's prior knowledge. The pain point teachers may face with this KWL chart is that if a student recently arrived from a different country and has no prior knowledge of Thanksgiving, it won't be so easy. Data-driven processing is