捲動式動態資訊對螢幕視覺作業之影響

Effects of the scrolling dynamic information on VDT work

柳捃怡(Jun-Yi Liu)

指導教授 ： 林久翔

中原大學/工學院/工業工程研究所/碩士(2004年)

https://doi.org/10.6840/cycu200400635

摘要

當今多元化的數位化產品如電子書、電子期刊、多媒體等，不但豐富我們資訊的來源，也正逐漸改變人們使用資訊的行為。而人們在電腦螢幕上所閱讀的資訊過於冗長，必須常常拉動視窗的捲動軸以閱讀頁面以外的資訊。
本研究以實驗來探討捲動式動態資訊對使用者的視覺績效與視覺疲勞之影響。實驗因子有閱讀速度（600字/分鐘、1000字/分鐘及2000字/分鐘）及跳動幅度（1像素/次、2像素/次、3像素/次、4像素/次），要求受測者在中文資訊中搜尋特定的目標字，本研究共蒐集五個應變數，分別為搜尋作業之漏失率、視力變化、視覺疲勞閃光融合閾值 (CFF)、眼球眨眼率、視覺疲勞主觀評量問卷。
實驗結果發現在三種不同的閱讀速度下，600字/分鐘、1000字/分鐘及2000字/分鐘，捲動式動態資訊對視覺績效有影響，對視覺疲勞沒有影響，在閱讀速度為600字/分鐘時的視覺績效最好，其次是1000字/分鐘，閱讀速度為2000字/分鐘時的視覺績效最差。在四種不同的跳動幅度下，1像素/次、2像素/次、3像素/次及4像素/次，捲動式動態資訊對視覺搜尋績效沒有影響，對視覺疲勞有影響，在跳動幅度為1像素/次時的視覺疲勞最少，其次是2像素/次，第三為3像素/次，而在跳動幅度為4像素/次時眼睛最為疲勞。

關鍵字

閱讀速度 ； 跳動幅度 ； 捲動式動態資訊 ； 視覺疲勞 ； 視覺績效

並列摘要

Today, various digital products, such as electronic books, electronic periodicals, and multimedia, have changed the way people receive information. The article is usually too long for people to read from an electronic display. Scrolling information in a window becomes an effective way for this problem. People always control the scrolling bar in order to read the information outside the current window.
An experiment was carried out to investigate the effects of scrolling dynamic information on visual performance and fatigue. Two independent variables of this experiment are reading speed (600 wpm, 1000 wpm and 2000 wpm) and advance resolution (1 pixel, 2 pixels, 3 pixels and 4 pixels) of scrolling display. Dependent variables include miss rate, vision, critical fusion frequency (CFF), blink rate, and subjective rating.
The results were as follow. The three reading speed (600 wpm, 1000 wpm and 2000 wpm) had significant effects on the visual performance. The search performance was better when reading at 600 wpm. It had the worst performance when reading at 2000 wpm. The four advance resolution (1 pixel, 2 pixels, 3 pixels and 4 pixels) had significant effects on the visual fatigue. There was less visual fatigue when scrolling at 1 pixel. There was more visual fatigue when scrolling at 4 pixels.

並列關鍵字

scrolling dynamic information ； visual fatigue ； visual performance ； advance resolution ； reading speed

參考文獻

莊婷婷 (2003)，螢幕上捲動式動態資訊呈現設計對使用者之視覺績效與視覺疲勞之影響，中原大學工業工程研究所，碩士論文。

DeBruijn, D. and DeMul, S. (1992), The influence of screen size and text layout on the study of text, Behaviour and Information Technology, 11, 71-78.

Dillon, A., Richardson, J. and McKnight, C. (1990), The effects of display size and text splitting on reading lengthy text from screen, Behaviour and Information Technology, 9(3), 215-227.

Duchnicky, J. L. and Kolers, P. A. (1983), Readability of text scrolled on visual display terminals as a function of window size, Human Factors, 25, 683-692.

Dyson, M. C. and Haselgrove, M. (2000), The effects of reading speed and reading patterns on the understanding of text read from screen, Journal of Research in Reading, 23(2), 210-223.