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Showing 49–57 of 57 results
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Crash Course in Z-Scores
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Quantitative Starter Package for Usability Testing
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Problem Frequency Calculator
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Average Task Time Calculator
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A Practical Guide to Measuring Usability
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zScore Calculator
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Confidence Interval Comparison Calculator
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Usability Statistics Package Expanded
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Usability Statistics Package
$199.99 – $398.99 Select options