# data[].attributes.body
80s
Text reconstruction,software concordancing, software multimedia,etc

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90s
Based on Cognitive Theories such as memory, attention and recall.
Visual materials, pictures, photographs, slides, images, schema theory.

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Based on Monitor Theory
Video tapes, audiovisual  input, listening comprehension.

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Based on Physical manipulations
Magazine pictures, large pictures

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60s
Audio-visual Method
Use mother tongue in classroom
Textbook, filmstrips, slides. tape recording,etc

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Oral Situational Approach
Audio-lingual method
Concrete objects, pictures, flashcards, tape recording.

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Traveling throught the decades.

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Direct Approach
Target languages, direct references to objects.