How Sensitive Are Our Eyes to Text Difficulty? : Application of Schema Fixation Curves to Japanese Text

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概要

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• This paper discusses the applicability of Schema Fixation Curves to the detection of changes in the behavior of eye movements in accordance with the readability of text. If the eyes are to respond to the degree of difficulty of the given task, we may say that the eyes are an output device of our cognitive activities. Our previous research led us to the notation of Schema Fixation and Schema Fixation Curves, a technique with which graphically analyze the cognitive load the subjects bear when they read texts. The results of our experiments based on this technique show that the eye movement records are a good clue to the detection of text difficulty or readability of texts. Conventionally, computer-calculated readability indices have been used to predict text readability, but the precision of the prediction may not necessarily be so high. This is because most of these indices use syntactic elements of text such as average sentence length and word length. Difficulty of texts arises from a variety of factors, such as the reader's background knowledge of the passage, the range of vocabulary used in the text, syntactic and semantic ambiguities, etc. In this experiment, we used the Japanese language in order to focus on syntactic effect on readability. Japanese allows much freer syntactic structure than present-day English. For example, the natural, normal, and unstressed word order of English (from amongst the six logical possibilities, SVO, SOV, VSO, VOS, OSV, OVS) is SVO while various combinations are both possible and natural in Japanese. We changed the syntactic order of words in sentences and presented them to the subjects in order to examine the recorded eye movements, and found that different orders produced different levels of readability.

• 関西大学の論文
• 2006-03-21

著者

• Horii Ken

  Department Of Systems Management Engineering Kansai University

• Kotani Kentaro

  Department Of Systems Management Engineering Kansai University

• KITAMURA Yutaka

  Institute of Foreign Language Education and Research Kansai University

• Horii K

  Department Of Systems Management Engineering Kansai University

• Horii Ken

  Department Of Industrial Engineering Kansai University

• Kotani K

  Department Of Systems Management Engineering Kansai University

• Kotani Kentaro

  Department Of Industrial Engineering Kansai University

関連論文

• How Sensitive Are Our Eyes to Text Difficulty? : Application of Schema Fixation Curves to Japanese Text
• An Axiomatic Representation of a Three-element Schema Technique for Software Design
• A Method of Deducing Effective Visual Field in Searching
• I-8 Analysis of Muscular Load in Using a Pen-Tablet System(Proceedings of the 45th Meeting of Japan Society of Physiological Anthropology)
• Changes in Physiological Characteristics and Performance of Eye-hand Coordinated Tasks when Visual Information were Given by Different Viewpoints
• SII-5 Changes in Displaying Visual Images to the Human Operator during Video-based Task-on the Effects of Viewpoints- (Proceedings of the 49th Meeting of Japan Society of Physiological Anthropology)
• An Analysis of Muscular Load and Performance in Using a Pen-tablet System
• An Analysis of Muscular Load and Performance in Using a Pen-tablet System
• 2-15 Influence of Time Delay to the Human Performance under Virtual Reality Environment(Proceedings of the 51st Meeting of Japan Society of Physiological Anthropology)

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