Explore key findings from education research on the effectiveness of peer learning in this 21-minute conference talk from the HILT 2019 Conference. Discover why and how peer learning works through examples, including collaborative research projects in GENED1039. Examine different aims and methods for teacher-as-researcher inquiry into peer learning, including variations of educational research, proxies with students as data sources, and students cogenerating evidence. Gain insights into transforming traditional university courses into student-centered learning environments, with a focus on physics education. Learn how to apply these research-backed strategies to enhance peer learning effectiveness in various educational settings.