PROBLEM TO BE SOLVED: To provide a psychological state feedback method, system, and program for feed-backing a present psychological state with respect to a reference psychological state (correct psychological state) to a subject.SOLUTION: In a motion state feedback method, a psychological state of a primary subject is determined or stored at least based on primary biological information acquired from the primary subject who engages in a predetermined motion, and a psychological state of a secondary subject is determined at least based on secondary biological information acquired from the secondary subject who engages in a predetermined motion. The psychological state of the primary subject is compared with the psychological state of the secondary subject, and according to the result of comparison of the psychological state of the primary subject with the psychological state of the secondary subject, an emphasized or dwarfed feedback signal is output.SELECTED DRAWING: Figure 6COPYRIGHT: (C)2016,JPO&INPIT【課題】基準となる心理状態(正しい心理状態)に対する現在の心理状態を被験者へフィードバックする心理状態のフィードバック方法、システム、及びプログラムを提供する。【解決手段】動状態のフィードバック方法は、所定運動中の一次被検者から取得された一次生体情報に少なくとも基づき一次被検者の心理状態を判定または記憶し、所定運動中の二次被検者から取得された二次生体情報に少なくとも基づき二次被検者の心理状態を判定し、一次被検者の心理状態と二次被検者の心理状態とを比較し、一次被検者の心理状態と二次被検者の心理状態の比較結果に応じて、誇張した或いは矮小したフィードバック信号を出力する。【選択図】図6