Factors Affecting Educational Effectiveness in Distance Lecture Based on Instruction with Blackboard over IP Networks

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  • ＩＰネットワークを用いた板書型遠隔講義において教育効果に影響を及ぼす要因
  • IP ネットワーク オ モチイタ バンショガタ エンカク コウギ ニ オイテ キョウイク コウカ ニ エイキョウ オ オヨボス ヨウイン

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Abstract

We investigated the educational effectiveness of a ‘distance lecture’, i.e., one based on instruction written on a blackboard and displayed to students through IP networks. We have identified the factors that affect the effectiveness of the system in a multidimensional way. Educational effectiveness is evaluated here in terms of satisfaction and understanding. We investigated the satisfaction in a multidimensional way by the semantic differential (SD) method with many adjective pairs. The understanding is expressed by the learning quotient, which is defined as the ratio of correct answers in the pre-test to those in the post-test. We also evaluated the level of the teacher's satisfaction. We found that the level of satisfaction of the students closely correlates with the quality of audio and video, which affects how the teacher's presence is perceived by the students. We also noticed that the learning quotient has a strong relationship to the content of the lecture and to subjective understanding. In addition, we see that the teacher requires a higher response of the system than that required by the students.

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