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

Browse Content by Topic

Usability Testing (41)

Usability (28)

Sample Size (23)

UX (20)

Survey (18)

Statistics (17)

Usability Problems (15)

Methods (14)

SUS (14)

Net Promoter Score (14)

Questionnaires (11)

Task Time (11)

Usability Metrics (11)

User Research (9)

Customer Experience (9)

Rating Scale (9)

Card Sorting (8)

Problem Discovery (7)

Remote Usability Testing (7)

Satisfaction (7)

Information Architecture (7)

Benchmarking (6)

Confidence Intervals (6)

Mobile Usability Testing (5)

Heuristic Evaluation (5)

Task Completion (5)

SUPR-Q (5)

Lean UX (4)

SEQ (4)

Tree Testing (4)

Qualitative (4)

Findability (4)

Six Sigma (4)

A/B Testing (3)

Analytics (3)

Summative (3)

Loyalty (3)

Cognitive Walkthrough (3)

Confidence (3)

Credibility (3)

Formative Testing (3)

Regression Analysis (3)

PhD (2)

Errors (2)

Keystroke Level Modeling (2)

Problem Severity (2)

SUM (2)

Quality Assurance (2)

Margin of Error (2)

Persona (2)

Task Failure (2)

Sampling (2)

Crowdsourcing (2)

Completion Rate (2)

UI Disasters (2)

ROI (2)

Clicks (2)

Geometric Mean (1)

Key Drivers (1)

Median (1)

Evidence Based Design (1)

iPhone (1)

Correlation (1)

Reliability (1)

Think Aloud (1)

Post-Task Ratings (1)

Task Times (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)

Effect Size (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

8 Ways to Identify Unmet Customer Needs 5 days ago

The New Face of Usability Testing 12 days ago

7 Techniques for Prioritizing Customer Requirements 20 days ago

How to Compute a Confidence Interval in 5 Easy Steps 25 days ago

The Essential Elements of a Successful Website 1090 days ago

Are women paid less than men in UX? 1111 days ago

How much are you worth? 2011 Salary Data for UX Professionals 1132 days ago

Usability and Net Promoter Benchmarks for Consumer Software 1209 days ago

Newsletter Sign Up

Receive bi-weekly updates.
[4327 Subscribers]

Connect With Us

Our Supporters

Userzoom: Unmoderated Usability Testing, Tools and Analysis

Use Card Sorting to improve your IA

Loop11 Online Usabilty Testing

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 20 journal articles and 4 books on statistics and the user-experience.
More about Jeff...


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

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