A Study on the C/R Ratio of Direct-Operation Multi-touch Interface

  • Kuan-Hung Chen
  • Chun-Wen Chen
  • Wenzhi Chen
Part of the Communications in Computer and Information Science book series (CCIS, volume 174)


Multi-touch interface is becoming an important part of consumer information products. Interface design should have more in-depth understanding to achieve better human-computer interaction. This study investigates the multi-touch interface’s control/response ratio (C/R ratio) with rotation and moving tasks to understand the effects on participant’s performance and satisfaction. The results showed that the better C/R ratio is not the same for efficiency of different operating tasks. And the user satisfaction was affected by previous experience of the participants.


multi-touch C/R ratio sensibility 


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Copyright information

© Springer-Verlag Berlin Heidelberg 2011

Authors and Affiliations

  • Kuan-Hung Chen
    • 1
  • Chun-Wen Chen
    • 1
  • Wenzhi Chen
    • 1
  1. 1.Department of Industrial DesignChang Gung UniversityKwei-ShanTaiwan

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