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Question

What does Nielsen's recommendation suggest about the number of evaluators for heuristic evaluation?

a.

One evaluator is sufficient for comprehensive results.

b.

A minimum of three evaluators is necessary for reliable results.

c.

A single evaluator must cover a wide range of heuristics.

d.

More than five evaluators are required for meaningful results.

Answer: (b).A minimum of three evaluators is necessary for reliable results. Explanation:Nielsen's recommendation is that between three and five evaluators are sufficient for heuristic evaluation, with five usually discovering around 75% of the usability problems.

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Q. What does Nielsen's recommendation suggest about the number of evaluators for heuristic evaluation?

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