Proposal of Distinction Method of Confused State Based on Cognition and Manipulation of Older Person in Using Information Devices

Abstract

The purpose of this research is to assist older persons confused in using information devices by giving appropriate guidance. First, we describe a model of cognition-action interaction in using information devices. Second, we report an experiment that investigated the relationship between behavior of users and their confused states. We found that the task completion times and vertical and horizontal scanpath lengths were found to be related to confused state. Third, we suggest a recognition method of the confused state. At last we report an experiment that investigated the effect of the recognition method and the classified confused state.