Di's Multimedia Timeline of Educational Technology

  • Pestalozzi's object learning

    Pestalozzi's object learning
    Pestalozzi's method focuses on providing content to ideas through first hand experiences and giving significance to individual expression by means of ideas.
  • Froebel's Learning by doing/Motor expression

    Froebel's Learning by doing/Motor expression
    Froebel places more importance on the symbolic knowledge suggested by the quality of the object than on the immediate knowledge yielded by a sensory experience.
  • The visual instruction movements and instructional films

    The visual instruction movements and instructional films
    National professional organizations for visual instruction
    journals focusing on visual instruction
    teacher-training institutions' offering courses in visual instruction
    school systems' developing of bureaus of visual education
  • The audiovisual instruction movement

    The audiovisual instruction movement
    Leadership of the movement was consolidated within the Department of Visual Instruction (DVI),which is now called AECT. It is still in a leadership role in the field of instructional design and technology.
  • Period: to

    Film training in World War II

    A trainning filmTraining films and filmstrips used were effective training tools in training military personnel and preparing civilians in the United States to work in industry.
  • The cone of experience

    The cone of experience
    It is a visual aid to explain the inter-relationships of the various types of audio-visual materials, as well as their individual positions in the learning process.
  • Setting aside television channels for educational purposes

    Setting aside television channels for educational purposes
    1950 DING DONG school TV showFederal Communications Commission made the decision to set aside 242 television channels for educational purposes, leading to the rapid development of a large number of educational television stations, aiming at presenting instructional programs.
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    distance learning in higher education

    Introduction to distance learningSince 1995, interest in using the internet for instructional purposes has been rapidly growing. Nowadays, online learning has already become a powerful way for most people to gain knowledge.