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School Museums Appear
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First catalog of instructional films published
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Radio, as an educational medium, gains popularity
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Television
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US Air Force uses training films during WWII
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Media Research
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Instructional television
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Taxonomy of Educational Objectives
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Sputnik
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Programmed Instruction
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Behavioral Objectives
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Criterion-Referenced Testing Movement
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Conditions of Learning
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Events of Instruction
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Formative Evaluation
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Summative Evaluation
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Early Computers
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Internet
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The Birth of Colin Keightley