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The UX Book by Rex Hartson, Pardha S. Pyla

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Chapter 16

Rigorous Empirical EvaluationAnalysis

 If it ain’t broke, it probably doesn’t have enough features.

– Anonymous

Objectives

After reading this chapter, you will:

1. Be able to analyze informal summative (quantitative) usability data, compare results with usability targets, and decide whether you can stop iterating

2. Have the working knowledge to analyze formative (qualitative) critical incident and UX problem data

3. Know how to perform cost-importance analysis to prioritize UX problems to fix

4. Be able to maintain and manage UX problem data

5. Know how to connect back to the UX process lifecycle

16.1 Introduction

16.1.1 You Are Here

We begin each process chapter with a “you are here” picture of the chapter topic in the context ...

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