Download both the popular premium report on conducting quantitative usability tests and four helpful calculator packages which allow you to measure and report usability with confidence. | ||||||

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Purchase this package to get the popular report and calculators (including the average task time & problem frequency) at a discount. | ||||||

## Demo## Features & Benefits**64 Page PDF Premium Report**on conducting quantitative usability tests.**Problem Frequency Calculator**which allow you to estimate a problem's impact on all users in small sample qualitative studies. If you see 2 out of 10 users experiencing a problem this calculator will provide the most likely percentage of users who will experience the problem (between 5% and 52%).**Average Task Time Calculator**which handles non-normal task time data and provides confidence intervals around the most likely average time.**Task Completion Calculator**provides the most accurate confidence interval around a small sample completion rate.**Questionnaire Confidence Interval Calculator**provides a quick way to generate an accurate confidence interval around any size sample for rating scales.
## Who Should BuyAnyone who needs to measure usability and has questions about conducting a usability test, as well as easy ways of generating confidence intervals.## Select Sample Screen Shots
| ## Statistical Tests- Average Task Time Confidence Intervals
- Completion Rate Confidence Intervals
- UI Problem Frequency Confidence Intervals
- Rating Scale Confidence Intervals
- 1-Sample Binomial Test
- 1-Sample t-test
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## What Customers are Saying:No one knows more about Quantitative Usability testing than Jeff Sauro Erika Kindlund UX Manager, Intuit Your report is excellent - useful and inspiring. Guy Sangwine User Experience Specialist University of Melbourne |

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