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A Study of Screen Constitution and proper Character Size on VDT Text Reading According to the Developmental Grade

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  • 学齢に適したVDTテキストリーディングのための画面構成とその認知特性
  • ガクレイ ニ テキシタ VDT テキストリーディング ノ タメ ノ ガメン コウセイ ト ソノ ニンチ トクセイ

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The primary objective of the study was to determine the optical screen configuration for the first-year junior high school students studying the fundamentals of information science and technology. A study of easy-to-write screen configurations to be used when reading Japanese text in VDT was one of the most important factors for the fundamentals of information science and technology class. I studied the reading performance of first-year junior high school students as they write textbooks while VDT conditions such as font size, screen brightness, text and background color were altered. I also compared the performance of first-year junior high school students with the results of university students. The results were as follows: 1) the opitical screen configuration for first-year junior high school students were somewhat different than that for university students'. 2) the optical letter size for first-year junior high school students was determined to be 18points which was larger than that what was required for the adults to be 14points, 3) ideally each students should be able to adjust his or her own screen configuration in order to meet their individual needs. However, if default screen conditions for writing were to be used in first-year junior high school classrooms, the optical background color was white, the text black, the brightness-contrast high, the letter style Minchotai, with continuous sentences in a 18 font.


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