Educational psychology is the study of how individuals learn in educational settings. It draws from several branches of psychology, including developmental, cognitive, and social psychology. The document outlines the history and definitions of psychology and education, then discusses key topics in educational psychology like learners, learning experiences, processes, environments, and teachers. It explains that educational psychology helps teachers understand factors that influence learning and acquire strategies to improve instruction, solve problems, guide students, and better know themselves and their students. Overall, educational psychology aims to apply psychological research and theories to facilitate effective teaching and learning.