The purpose of this study is to explain the difference between evaluation grid method, repertory grid method, or triadic procedure technique, and typical free description. In order to explain the difference between these research methods, a comparison study on the interpretability or effectiveness, of the three research methods for comprehensive evaluation was performed. Furthermore, a classification study on the tendency of evaluation terms extracted from the three research methods was conducted. By doing a comprehensive evaluation based on an individual scaling method, the interpretability of each research method was explained. The result shows that evaluation grid method has high interpretability.
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