1903 - Ivan Pavlov discovers Classical Conditioning Theory, while conducting research on the digestive system of dogs
1910 - Thorndike introduces its Laws and Connectionism Theory, which are based on the Active Learning Principles
1922 - Max Wertheimer, Kurt Koffka and Wolfgang Köhler introduce Gestalt Psychology
1932 - Psychologist Frederic Bartlett proposes the Schema Theory
1937 - B.F. Skinner introduces the Operant Conditioning Theory
1937 - May and Doob publish Competition and Cooperation, where the Cooperative and Collaborative Learning Theory is launched, discussed and analyzed
1950s - The Information Processing Theory emerges
1950s - Computer-based Instruction is used in educational and training environments
1954 - Skinner introduces the Programmed Instruction Educational Model
1960s - The Inquiry-based Learning Model is developed, based on constructivist learning theories
1961 - Jerome Bruner introduces the Discovery Learning Model
1960s - Howard Barrows introduces Problem-based Learning (PBL) in the medical education program at McMaster University in Canada
1963 - David Ausubel publishes his findings on the Subsumption Theory
1962 - The Keller Plan revolves around the Individualized Instruction Model and is used in educational environments throughout the United States
1971 - Allan Paivio hypothesized about the Dual Coding Theory; a theory of cognition
1974 - Merlin Wittrock publishes the Generative Learning Theory
1978 - Lev Vygotsky releases information about his Social-Cultural Learning Theory
1979 - Charles Reigeluth introduces the Elaboration Theory
1980 - Reginald Revans introduces the Action Learning Model
1983 - David Merrill introduces the Component Display Theory and Instructional Model
1983 - J. M. Keller's ARCS Model of Motivation Model is published
1983 - The first Computer-supported Intentional Learning Environments (CSILEs) prototype is used in a university setting
1988 - Spiro, Feltovich, and Coulson introduce their Cognitive Flexibility Theory
1989 - Brown, Collins, Duguid and Newman introduce their Situated Cognition Theory and the Cognitive Apprenticeship Model
1990 - The Cognition & Technology Group at Vanderbilt University develops the Anchored Instruction Educational Model
1990s - Multimedia and CD-ROMs are introduced in educational environments
1991 - Lave and Wenger introduce the Communities of Practice Model and the Situated Learning Theory in "Situated learning: legitimate peripheral participation"
1991 - Hudspeth and Knirk publish the case-based Learning Model in Performance Improvement Quarterly
1992 - Roger C. Schank releases a technical report, introducing the Goal-based Scenario Model
1995 - Saltzberg and Polyson publish Distributed Learning on the World Wide Web, which outlines the Distributed Learning Model
1995 - Dodge and March develop WebQuest
1996 - Professor Joseph R. Codde publishes a report that outlines Contract Learning
2007 - M. Lombardi publishes a report, outlining the Authentic Learning Model