Tag Archives: validation

Mixing Use Cases & Prototypes

Posted on December 19, 2011 by UX Apprentice

In 2/3rds of projects surveyed for scenario use by Weidenhaupt et al. (1998), scenario generation and usage was interrelated with rapid prototyping or even building first versions of the the new system. Combining these approaches yielded symbiotic effects. That is, … Continue reading →

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Prototypes for Validating Requirements

Posted on December 19, 2011 by UX Apprentice

The nature of prototyping as a method for developing computer systems is described in some detail in many textbooks. However a good definition of prototyping is: “building a physical, working model of the proposed system, and using it to identify … Continue reading →

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Requirements Validation and Verification

Posted on December 19, 2011 by UX Apprentice

There is sometimes confusion over requirements validation and verification. This slide provides some important context for the rest of the lecture. Validation of requirements is the investigation of the specified requirements (for example in VOLERE shells, use case specifications and … Continue reading →

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