| Statistical quality assurance - | (Software Engineering) techniques for process improvement that are based on measurements of the product and the process |
| Stepwise refinement - | (Software Engineering) a technique for accomplishing functional decomposition or procedural design (also called partitioning) |
| System engineering - | (Software Engineering) focuses on the analysis and design of all elements of a complete product, service, or technology for the transformation of information or control |
| Task analysis - | (Software Engineering) a software engineering action that is conducted as part of user interface design; intended to better understand how a user is to interact with a system |
| Task set - | (Software Engineering) a collection fo software engineering tasks that are required to complete an activity or action that is part of a software process framework |
| Technical risks - | (Software Engineering) the set of potential technical problems or occurrences that may cause the project to fail |
| Test case design - | (Software Engineering) a set of techniques for deriving effective test cases |
| Test cases, derivation of - | (Software Engineering) the creation of data that can be used to uncover errors in the software |
| Testing - | (Software Engineering) a set of activities that attempt to find errors |
| Tools - | (Software Engineering) application software used to perform software engineering tasks (e.g., design tools, testing tools); see also CASE tools |