PROBLEM TO BE SOLVED: To provide a diagnosis apparatus capable of easily performing objective and quantitative measurement of stress.SOLUTION: A diagnosis apparatus includes: handwriting information acquisition means for acquiring handwriting information on a user handwriting feature amount calculation means for calculating a handwriting feature amount of the user from the handwriting information, and accumulating the handwriting feature amount of the user in an accumulation part and stress determination means for determining whether or not the user is in a stressed state from an amount of deviation between a first handwriting feature amount calculated by the handwriting feature amount calculation means and a second handwriting feature amount based on one or more past handwriting feature amounts accumulated in the accumulation part.SELECTED DRAWING: Figure 1【課題】客観的かつ定量的なストレスの測定を容易に行える診断装置を提供すること。【解決手段】ユーザの筆跡情報を取得する筆跡情報取得手段と、筆跡情報からユーザの筆跡特徴量を算出し、ユーザの筆跡特徴量を蓄積部に蓄積させる筆跡特徴量算出手段と、筆跡特徴量算出手段が算出した第1の筆跡特徴量と、蓄積部に蓄積されている1つ以上の過去の筆跡特徴量に基づく第2の筆跡特徴量とのずれ量により、ユーザがストレス状態にあるか否かを判定するストレス判定手段とを有する診断装置により上記課題を解決する。【選択図】図1
