Product design support program, product design support method and product design support apparatus

摘要

A computer refers to a first document, second documents related to the first document, test documents related to the respective second documents, and test results associated with the respective test documents. The first document defines a first requirement. The second documents define functions of the first requirement. The computer calculates, on basis of the test results and a total number of test items included in all of the test documents, a degree of difficulty in realizing the first requirement.