Which one of the following statements, related to the requirements phase in software Engineering, is incorrect?

Explanation

Requirement validation is an activity in the requirements phase where the gathered requirements are checked for completeness, consistency and correctness. Prototyping is a technique for requirement analysis that builds a working model to get user feedback. Function points are a commonly used size metric for requirements. The modeling-oriented approach is not one of the methods for specifying the functional specifications, so statement (c) is incorrect.