Book excerpt: The Oxford Encyclopedia of Educational Psychology brings together leading scholars from the vast and varied global domain of educational psychology and its allied academic fields to provide a common language for researchers, practitioners, and students. The Encyclopedia is the first truly comprehensive, systematic, theory-driven, and evidence-based reference work on educational psychology and distinguishes itself through its strong internationalrepresentation. It situates educational psychology within the larger contexts of psychology and education, and its totalizing view provides new insights into the intricate relationships among the various mechanisms operating in educational psychology. The empirical findings have practical implications for practitionersin education and beyond, and for all individuals engaged in learning, whether it be school learning or everyday learning.