Practical vs. Statistical Significance

Summary: Statistical significance does not always equal practical significance. A difference may be statistically significant without having any meaningful impact in real life. Conversely, practical differences may not always achieve statistical significance.

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Quantitative UX: Glossary

Use this glossary to quickly clarify key terms and concepts related to quantitative user studies.

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Caleb Sponheim Ph.D. is a User Experience Specialist with Nielsen Norman Group. A former computational neuroscientist, his expertise includes quantitative user experience research, statistics, analytics, and data science.

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