To efficiently make a model to recognize how much the efficacy of medicine is exhibited.SOLUTION: A device 1 includes: an image acquisition part 14 for acquiring an evaluation object image showing a subject of an evaluation object; a probability acquisition part 15 for acquiring a recognition probability related to the evaluation object image by using a model for outputting a recognition probability by which the subject of the image is recognized as prior or posterior exhibition of the efficacy of medicine in accordance with the input of the image; and a calculation part 16 for calculating an exhibition degree of the efficacy of medicine on the basis of the recognition probability of the evaluation object image.SELECTED DRAWING: Figure 1【課題】薬の効能がどれだけ発揮されているか、モデルの作成を効率的に行う。【解決手段】装置1は、評価対象の被写体を示す評価対象画像を取得する画像取得部14と、画像の入力に応じて当該画像の被写体が、薬の効能発揮前、または、薬の効能発揮後として認識される認識確率を出力するモデルを用い、評価対象画像についての認識確率を取得する確率取得部15と、評価対象画像の認識確率に基づいて、薬の効能の発揮度合を算出する算出部16と、を備える。【選択図】図1