PROBLEM TO BE SOLVED: To provide a purchase behavior analysis program that can grasp a behavior relative to a different product compared upon purchasing a certain product and an attention degree relative to the different product.SOLUTION: A purchase behavior analysis program is configured to make a computer execute processing of: acquiring behavior information on a purchaser in a store, and visual line information on the purchaser relative to a plurality of products displayed in the store; when receiving a selection of any of the plurality of products, referring to the acquired behavior information and visual line information, and classification information on the product stored in a storage unit and to be determined based on a layout position in the store of the plurality of products; and displaying an index indicative of the behavior of the purchaser and index indicative of the degree of attention thereof relative to a different product of the same category as any product selected on a display unit in a radar chart form.SELECTED DRAWING: Figure 19
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