David Ausubel

David Ausubel (1918–2008) was an American educational psychologist who developed theories of meaningful verbal learning and advance organizers.

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Meaningful learning: Learning in which new knowledge connects substantively to relevant knowledge already held by the learner. This is the central kind of learning Ausubel sought to explain.
Advance organizer: An introductory framework presented before learning material to connect it with relevant prior knowledge. Ausubel introduced advance organizers as a way to prepare cognitive structure for new material.
Joseph Novak: An American educator and researcher who developed concept mapping and extended Ausubel’s learning theory. Novak built on Ausubel’s account of meaningful learning in research and educational practice.
Organizing a lecture: An oral presentation that communicates organized information to an audience. Ausubel’s framework supports introducing a subject’s broad structure before explaining its details.
Rote learning: Learning through repetition or memorization without substantive connections to existing knowledge. Ausubel contrasted it with meaningful learning, though memorized material can later acquire meaning.
Progressive differentiation: A teaching principle that presents broad, inclusive ideas before progressively distinguishing their details. Ausubel recommended this sequence to develop concepts from general foundations toward specificity.
Jerome Bruner: An American psychologist whose work shaped cognitive psychology and discovery-oriented approaches to education. Bruner’s emphasis on discovery learning contrasts with Ausubel’s defense of meaningful expository instruction.
Textbook: A book designed to present and teach a subject in an organized sequence. Advance organizers and progressive differentiation can guide how textbook chapters introduce and develop ideas.
Cognitive structure: The organized body of concepts and propositions a person holds in a domain. Ausubel treated existing cognitive structure as the foundation for learning new material.
Integrative reconciliation: A teaching principle that makes relationships, similarities, and differences among ideas explicit. It complements differentiation by helping learners reconcile related concepts within a subject.