Measuring Usability
Quantitative Usability, Statistics & Six Sigma by Jeff Sauro

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Usability Testing (32)

Sample Size (19)

Usability (19)

UX (18)

Survey (15)

SUS (13)

Statistics (13)

Usability Problems (12)

Task Time (11)

Net Promoter Score (10)

Usability Metrics (10)

Questionnaires (9)

Rating Scale (9)

Remote Usability Testing (7)

Satisfaction (7)

Card Sorting (7)

User Research (6)

Methods (6)

Problem Discovery (6)

Information Architecture (6)

Heuristic Evaluation (5)

Task Completion (5)

SUPR-Q (5)

Confidence Intervals (5)

SEQ (4)

Six Sigma (4)

A/B Testing (3)

Mobile Usability Testing (3)

Lean UX (3)

Summative (3)

Loyalty (3)

Cognitive Walkthrough (3)

Qualitative (3)

Formative Testing (3)

Findability (3)

Regression Analysis (3)

PhD (2)

Benchmarking (2)

Errors (2)

Keystroke Level Modeling (2)

Problem Severity (2)

SUM (2)

Confidence (2)

Quality Assurance (2)

Tree Testing (2)

Margin of Error (2)

Credibility (2)

Task Failure (2)

Sampling (2)

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Completion Rate (2)

UI Disasters (2)

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Geometric Mean (1)

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Median (1)

Evidence Based Design (1)

iPhone (1)

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Customer Experience (1)

Think Aloud (1)

Post-Task Ratings (1)

Task Times (1)

Persona (1)

Focus Group (1)

Salaries (1)

Ordinal (1)

Tasks (1)

Z-score (1)

Interval (1)

Marketing (1)

Visual Appeal (1)

Top Box Scoring (1)

Monte Carlo (1)

Return on Investment (1)

Ethonographic Research (1)

Most Popular Articles

Why you only need to test with five users (explained)

Confidence Interval Calculator for a Completion Rate

How much is a PhD Worth?

Does better usability increase customer loyalty?

What five users can tell you that 5000 cannot

5 Second Usability Tests

How common are usability problems?

The Five Most Influential Papers in Usability

Should you use 5 or 7 point scales?

8 Ways to Show Design Changes Improved the User Experience

10 Things to Know about Usability Problems

A Brief History of the Magic Number 5 in Usability Testing

97 Things to Know about Usability

How to Conduct a Usability test on a Mobile Device

5 Examples of Quantifying Qualitative Data

Nine misconceptions about statistics and usability

Most Recent Articles

Measuring The Visual Appeal of Websites 5 days ago

Associating UX Changes to the Net Promoter Score 12 days ago

7 Ways to Find Users for Usability Testing 19 days ago

10 Metrics for Testing Website Navigation 27 days ago

The Essential Elements of a Successful Website 621 days ago

Are women paid less than men in UX? 642 days ago

How much are you worth? 2011 Salary Data for UX Professionals 663 days ago

Usability and Net Promoter Benchmarks for Consumer Software 740 days ago

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About Jeff Sauro

Jeff Sauro is the founding principal of Measuring Usability LLC, a company providing statistics and usability consulting to Fortune 1000 companies.
He is the author of over 15 journal articles and 4 books on statistics and the user-experience.
More about Jeff...

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Jeff's Books

Quantifying the User Experience: Practical Statistics for User ResearchQuantifying the User Experience: Practical Statistics for User Research

The most comprehensive statistical resource for UX Professionals (JUST RELEASED)

Buy on Amazon

Excel & R Companion to Quantifying the User ExperienceExcel & R Companion to Quantifying the User Experience

Detailed Steps to Solve over 100 Examples and Exercises in the Excel Calculator and R

Buy on Amazon | Download

A Practical Guide to the System Usability ScaleA Practical Guide to the System Usability Scale

Background, Benchmarks & Best Practices for the most popular usability questionnaire

Buy on Amazon | Download

A Practical Guide to Measuring UsabilityA Practical Guide to Measuring Usability

72 Answers to the Most Common Questions about Quantifying the Usability of Websites and Software

Buy on Amazon | Download

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