Abstract
An electron microtomy training program has been prepared and tested at junior college, state college and university levels. This program consists of 5 basic units: fixation, dehydration, embedding, sectioning and staining. The materials, planned and prepared by utilizing modern educational theory, are designed to be largely self-instructional. Both theoretical and laboratory materials are presented by various styles of programmed instruction. or fixation, dehydration, embedding and staining, the theoretical materials carry on a “dialog” with the student. Concepts or tasks are presented to him in a stepwise manner. He is then asked to interact with the materials by responding to questions which test his grasp of what has been taught. His correct responses are reinforced by the presence of the correct answer, either on an answer sheet at the end of the programmed lesson or immediately following the space provided for his answer.
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