An Experimental Study of the Effectiveness of an Automatic Short Delay Playback System in a Language Laboratory

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  • 完全自動・瞬間再生方式のLL装置による学習効果
  • カンゼン ジドウ シュンカン サイセイ ホウシキ ノ LL ソウチ ニ ヨル ガクシュウ コウカ

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A new automatic and short delay playback system for Language Laboratory equipment has been devised and developed by the author and an experimental study was made in order to verify the effectiveness of the new equipment. 117 upper secondary school students were classified into three homogeneous groups - S.D.P. (Short Delay Playback), A.P. (Audio Passive), and L.D.P. (Long Delay Playback) according to Intelligence and English Achievement tests. All three groups were taught English in the same L.L. in three different ways, i.e. Short Delay Playback method, Audio Passive method, and Long Delay Playback method. They were given pre-tests, post-tests, and other tests during the experiment to verify the results. As a result, the S,D.P. group gained the highest scores in comprehension as well as in production tests, the L.D.P. group was superior to the A.P. group in some tests, and in other tests it was inferior. The experimental results supported the author's hypothesis of the effectiveness of the S.D.P. system in teaching English as compared to other systems. The reasons seem to he that the S.D.P. system is very helpful in creating the habit of producing quick responses on the part of the students, providing them with concentrated study and motivation, and giving them immediate reward from the stimulus-response situation.

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