4. Juni 2009

Significant Usability

Auf usabilitynews.com ist ein guter Artikel erschienen: Caroline's Corner: Statistically significant Usability Testing.

If you take two different random samples, measure something about them, compare the measurements, and find a difference then the statistical tests of significance will help you to work out whether the difference you found could have come from the natural variation you get from any random sample, or because the two samples were genuinely different for some underlying reason.

Wirklich ein sehr interessanter Beitrag.