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Platform User Experience Designer
Study Checklist
Checklist progress
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Given a scenario, plan methods for validating and testing a design with the end user.
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Describe testing techniques needed for optimal user experiences.
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Think-aloud protocol: purpose and output in usability testing.
Learn this conceptCo-discovery: purpose and output in usability testing.
Learn this conceptRetrospective probing and concurrent probing: purpose and output in usability testing.
Learn this conceptGiven a scenario, evaluate and manage design changes.
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Formative and summative evaluations are two distinct types of UX testing aligned to different stages of the design process. Formative evaluations occur iteratively during design to identify and fix usability problems before production, while summative evaluations assess a shipped or near-final product against a benchmark such as a prior version or competitor. The distinction determines not just when to test, but what research question you are answering.