PROBLEM TO BE SOLVED: To provide an ability estimation program capable of estimating the cognitive ability and / or non-cognitive ability of the creator from the characteristics related to characters in a document. SOLUTION: This program is an ability estimation program for operating a computer capable of estimating the ability of a creator from a document created by the creator by handwriting or by selecting, adjusting or determining characters through a device. Cognitive ability and / or non-recognition of (a) the amount of at least one of the shape, size, and position of the characters in the document, and / or (b) the amount of character features, which is the amount of variation in the amount. A computer is used as a means for determining the cognitive ability and / or non-cognitive ability of the document creator based on the output from the pre-built model that can output the value related to the ability. Make it work. Here, as the ability determining means, it is also preferable to input the attribute information acquired about the document creator into the above-mentioned constructed model. [Selection diagram] Fig. 1
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