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An Experiment with Pretesting of Programmed Texts

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3 Author(s)

Since only one mistake in programmed instruction can completely upset the leaming process, pretesting of programs is essential. A low-cost method for such pretesting is presented. The time to finish a frame by answering a question is measured and recorded, as well as whether the answer is right or wrong. An additional feedback about unclear situations is provided by a "don't know" response which is not timed. Equipment is described which consists of a portable presentation unit for printed programs mounted on paper, together with eight response push buttons, a signal unit for marking the responses, and a tape recorder. The records may later be handled in stationary data processing equipment. The method and equipment were tested in an experiment with a linear program used by twelve students. The results in the form of error frequencies, uncertainty frequencies, average time taken, and time distributions are given. From these the program is analyzed and the needs for revision pinpointed.

Published in:

IEEE Transactions on Education  (Volume:11 ,  Issue: 1 )