To change a discharge state of an odor component for easily deriving an olfactory capacity.SOLUTION: A plurality of patterns including a correct answer are displayed in a region 252 ni, and an odor component is discharged by a discharge amount for a unit time according to an age of a user. A selection result of a pattern is received, and based on the pattern indicating a correct answer and a selection result, an olfaction age of a user is derived.SELECTED DRAWING: Figure 11【課題】におい成分の放出状態を変更させて、簡易に嗅覚能力を導出する。【解決手段】正解を含む複数の図柄を領域２５２ｎｉに表示し、ユーザの年齢に応じた単位時間当たりの放出量でにおい成分を放出する。ユーザによる図柄の選択結果を受け付け、正解の図柄と選択結果とから、ユーザの嗅覚年齢を導出する。【選択図】図１１
