1) Feedback or assessment for learning has been shown to have a large effect size of 0.81 based on prior research. It focuses on identifying errors and misconceptions in order to improve learning. 2) The teaching/learning process is oriented around constructing new knowledge through goal setting and applying concepts in a differentiated manner. Feedback helps students apply their understanding to answer questions or create products. 3) Feedback involves reviewing student work to identify faults and misconceptions, setting goals for closing gaps between current and desired understanding, and providing guidance on how to improve. It allows teachers to gain insight into students' conceptual frameworks.