Abstract: An assessment method which is capable of appropriately assessing review ability of a reviewer and a reward setting method which is capable of appropriately setting a reward to be paid to the reviewer are realized. A computer includes a memory and a controller, and the controller executes efficiency evaluation processing of evaluating review efficiency of a reviewer to be assessed in accordance with a predicted review period of each piece of electronic data and an actual review period, accuracy evaluation processing of evaluating review accuracy of the reviewer to be assessed by examining a review result by the reviewer to be assessed, and assessment processing of assessing review ability of the reviewer to be assessed in accordance with the review efficiency evaluated in the efficiency evaluation processing and the review accuracy evaluated in the accuracy evaluation processing.