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11.5. Use Case Scenarios

A use-case scenario is a description of a potential business situation that may be faced by the users of the system. Scenarios are used purposefully to ‘stimulate thinking in various disciplines, including:
  • Human–computer interaction (HCI), strategic management and software engineering. In HCI, scenarios are used to improve communication between end-users and developers for designing user interfaces, task modeling and prototyping, supporting the specification of user interfaces
  • In strategic management, scenarios help in exploring alternative futures. In software engineering, scenarios are used to gather and validate requirements.
  • Scenarios are also a reasonable approach for managing change and evolution during the software process; however, managing scenario traceability across multiple changes becomes increasingly difficult. For example, evolutionary scenarios are used to envisage how a system itself may change due to, for instance, political or technological discontinuities.

These characteristics related to Use Cases and Scenarios can be used effectively in developing Test Case scenarios.
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