|Edward Thorndike develops a scientific theory of learning
|John Dewey – Importance of hands on activities and concrete examples
|Ralph Tyler refines idea of instructional objectives
|WWII stimulates work on systematic instructional design
|Skinner & Behaviorism. Bloom & Taxonomy
|Robert Gagne and cognitive views of learning.
|Constructivist views of learning
|Visual Education Movement develops
|Museums aid schools with teaching materials
|Films begin to be used as educational medium
|Radio is used for instruction
|WWII trainnig uses film and other media
|Television used for instruction
|Focus on impact of media on learning.
|New types of media emerge for use in education
|Media becomes digital and can be manipulated by computers
|Atanasoff & Berry invent the electric computer
|First generation computers such as ENIAC. Rely on vacuum tubes.
|Second and Third Generation computers developed
|Personal Computer invented
|WYSWYG GUI introduced to personal computers
|World Wide Web becomes popular