How the PURE Method Builds on 100 Years of Human Factors Research

Methods evolve and adapt. The same is true of UX methods that have evolved from other methods, often from disparate fields and dating back decades. The usability profession itself can trace its roots to the industrial revolution. The think aloud protocol, one of the signature methods of usability testing, can trace its roots to psychoanalysis,

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Predicting UX Metrics with the PURE Method

The PURE (Practical Usability Rating by Experts) method is an analytic technique that identifies potential problems users may encounter with an interface. In a PURE evaluation, evaluators familiar with UX principles and heuristics break down tasks into small steps. They then rate each step, from 1 to 3, based on a pre-defined rubric. The higher the

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Practical Tips for Running a PURE Evaluation

In an earlier article, I described the PURE methodology. PURE stands for Practical Usability Rating by Experts. Evaluators familiar with UX principles and heuristics decompose tasks into small steps and rate each step based on a pre-defined scoring system (called a rubric), as shown in Figure 1. Figure 1: Scoring rubric for PURE. The PURE

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