This document discusses four examples of educational research: homework, memory and learning, formative assessment, and dialogue preceding writing. It summarizes John Hattie's meta-analysis of homework, finding small positive effects overall but larger effects for secondary students. It also summarizes research by Bjork on spacing and interleaving memory, showing their benefits. Additionally, it discusses research on formative assessment and teachers' beliefs influencing student autonomy and resilience to pressures. Finally, it summarizes an MA thesis examining dialogue preceding writing.