PROBLEM TO BE SOLVED: To estimate various emotions felt by a person.SOLUTION: An emotion estimating method includes: acquiring first data and second data from the subject, the first data corresponding to physiology data, and the second data corresponding to one of physiology data different from the first data and non-physiology data; calculating a first value and a second value based on the acquired first data and second data, the first value indicating a degree of arousal of the subject and the second value indicating a degree of valence of the subject; estimating the emotion of the subject, by using the calculated first value and second value and based on a predetermined association of people's emotions with a degree of arousal and a degree of valence of the people, the predetermined association being pre-stored in a memory; and outputting information indicating the estimated emotion.SELECTED DRAWING: Figure 11COPYRIGHT: (C)2017,JPO&INPIT【課題】人が抱いているさまざまな感情を推定する。【解決手段】感情推定方法では、生理学データに対応する第一データと、第一データとは異なる生理学データおよび非生理学データのうちの一方に対応する第二データとを被験者から取得し、取得した第一データと第二データとに基づいて、被験者の覚醒の度合いを示す第一値と、被験者の快適さの度合いを示す第二値とを算出し、算出した第一値及び第二値から被験者の感情を、メモリに予め記憶された人の覚醒の度合い及び快適さの度合いと人の感情との所定の対応付けに基づいて推定し、推定した感情を示す情報を出力する。【選択図】図11