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First school museum was opened in St. Louis
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Keystone View Company publised Visual Education
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Thomas Edison proclaimed "Books will soon be obsolete in schools..."
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Marked increase in use of visual materials (films, pictures, lantern slides)
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Technological advances in radio, broadcasting, sound recording, and motion pictures
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Focus of field shifted from visual instruction to audiovisual instruction
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Merge of three national professional organizations for visual instruction
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Federal Governement established the Division of Visual Aids for War Training
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Edgar Dale wrote "Cone of Experience"
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Bejamin Bloom published Taxonomy of Educational Objectives
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Growth of televsion
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Decision made to set aside 242 televsion channels for educational purposes
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BF Skinner began a minor revolution in the field of education with "the Science of Learning and the Art of Teaching"
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Emergence of criterion-referenced testing
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IDT discussed as more of a process
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Ford Foundation focuses support on public televison rather than in school applications
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First definition approved by major professional organization was published
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Robert Gagne published The Conditions of Learning
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New instructional models were designed and several became "standards"
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Comission on Instructional Technology developed two definitions
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AECT Adopts new defintion of the field
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Computers being used for instructional purposes 40% of schools and 75% of secondary schools
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Computers used to aid on the job performance
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AECT published Instructional Technology: The Definitions of and Domains of the Field
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Cognitive and constructivist theories began to have major influence on design practices
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AECT produced book that presented new definition of field
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50% of college faculty use social media for instructional purposes