Abstract
Recent rapid advance of information technologies has influenced the pattern of daily communication. This study aims to analyze a media-choice behavior of office workers for communication. Based on the analysis on time-series change in business trip pattern, it is clarified that a certain part of business trip with short communication less than 30 minutes are possibly replaced by telecommunication such as telephone or facsimile. Next, a media-choice models are developed based on a diary data of office workers.