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50 Years of ERIC
50 Years of ERIC
The Education Resources Information Center (ERIC) is celebrating its 50th Birthday! First opened on May 15th, 1964 ERIC continues the long tradition of ongoing innovation and enhancement.

Learn more about the history of ERIC here. PDF icon

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Robert M. Gagne and M. David Merrill: In Conversation. No. 3: An Overview of M. David Merrill's New Component Design Theory.
Twitchell, David, Ed. – Educational Technology, 1990
This third in a series of edited transcripts based on a conference at Utah State University describes Merrill's Component Design Theory (CDT) and compares it to his earlier Component Display Theory. Topics discussed include concept structures, knowledge acquisition, components of an instructional design system, and a new CDT matrix. (10…
Descriptors: Cognitive Psychology, Comparative Analysis, Course Organization, Instructional Design
Robert M. Gagne and M. David Merrill: In Conversation. No. 4: A Look at the Differences between the Theories of Robert M. Gagne and M. David Merrill.
Twitchell, David, Ed. – Educational Technology, 1990
This fourth in a series of edited transcripts based on a conference at Utah State University compares Gagne's Conditions of Learning with Merrill's Component Display/Design Theory, and suggests a merging of the two. Topics discussed include content structures, learning hierarchies, learning theories, learner control, problem solving, cognitive…
Descriptors: Cognitive Processes, Comparative Analysis, Instructional Design, Learner Controlled Instruction