ถึงว่าหละ ไม่ค่อยจะมีความรู้เลย ก็ไม่เคยทำเองซักเรื่อง :-)

What we retain :

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------------------------------------------------------Say & Do 90%
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-------------------------------------------Say 70%
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---------------------------Hear & See 50%
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---------------------See 30%
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-------------Hear 20%
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------Read 10%
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The Argument for Participant Involvement
Source: Robert W. Pike (1989), P61, "Creative Training Techniques Handbook", Lakewood Publications