Modified GOMS-Model for Mobile Computing

모바일 작업을 위한 수정된 GOMS-model에 대한 연구

  • Lee, Suk-Jae (Department of Industrial Systems and Information Engineering, Korea University) ;
  • Myung, Ro-Hae (Department of Industrial Systems and Information Engineering, Korea University)
  • 이석재 (고려대학교 산업시스템정보공학과) ;
  • 명노해 (고려대학교 산업시스템정보공학과)
  • Published : 2009.06.30

Abstract

GOMS model is a cognitive modeling method of human performance based on Goal, Operators, Methods, Selection rules. GOMS model was originally designed for desktop environment so that it is difficult for GOMS model to be implemented into the mobile environment. In addition, GOMS model would be inaccurate because the original GOMS model was based on serial processing, excluding one of most important human information processing characteristics, parallel processing. Therefore this study was designed to propose a modified GOMS model including mobile computing and parallel processing. In order to encompass mobile environment, an operator of 'look for' was divided into 'visual move to' and 'recognize' whereas 'point to' and 'click' were combined into 'tab.' The results showed that newly introduced operators were necessary to estimate more accurate mobile computing behaviors. In conclusion, modified-GOMS model could predict human performance more accurately than the original GOMS model in the mobile computing environment.

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