SUS

Browse Content by Topic

Statistics ( 51 )
Methods ( 50 )
Usability Testing ( 49 )
UX ( 47 )
Survey ( 30 )
User Research ( 27 )
Usability ( 26 )
Customer Experience ( 25 )
Benchmarking ( 20 )
Sample Size ( 18 )
NPS ( 17 )
Usability Problems ( 17 )
SUS ( 17 )
Usability Metrics ( 12 )
SUPRQ ( 12 )
Rating Scale ( 11 )
Qualitative ( 11 )
Navigation ( 10 )
Metrics ( 9 )
Measurement ( 8 )
Market Research ( 8 )
Task Time ( 8 )
Net Promoter Score ( 8 )
Task Completion ( 7 )
Surveys ( 7 )
Heuristic Evaluation ( 7 )
User Experience ( 7 )
Six Sigma ( 5 )
Mobile Usability Testing ( 5 )
Questionnaire ( 5 )
Usability Problem ( 5 )
Questionnaires ( 5 )
Visualizing Data ( 5 )
Mobile ( 5 )
Moderation ( 4 )
Loyalty ( 4 )
Validity ( 4 )
Confidence ( 4 )
Task Times ( 4 )
Satisfaction ( 4 )
Reliability ( 4 )
UX Maturity ( 4 )
Quantitative ( 4 )
Credibility ( 4 )
Research ( 4 )
Analytics ( 4 )
Confidence Intervals ( 4 )
Task Metrics ( 3 )
UX Metrics ( 3 )
Expert Review ( 3 )
Customer Segmentation ( 3 )
Lean UX ( 3 )
ROI ( 3 )
Card Sorting ( 3 )
Rating Scales ( 3 )
PhD ( 2 )
SEQ ( 2 )
Branding ( 2 )
Correlation ( 2 )
Remote Usability Testing ( 2 )
Tasks ( 2 )
Excel ( 2 )
SUM ( 2 )
Personas ( 2 )
Focus Groups ( 2 )
KLM ( 2 )
Cognitive Walkthrough ( 2 )
Marketing ( 2 )
Usability Lab ( 2 )
Eye-Tracking ( 2 )
Summative ( 2 )
UX Salary Survey ( 2 )
Findability ( 2 )
Data ( 2 )
UMUX-lite ( 2 )
Salary Survey ( 2 )
Key Driver ( 2 )
A/B Testing ( 2 )
UX Methods ( 2 )
Tree Testing ( 2 )
IA ( 2 )
Certification ( 2 )
Information Architecture ( 1 )
Contextual Inquiry ( 1 )
Desktop ( 1 )
Problem Severity ( 1 )
Site Analytics ( 1 )
Ordinal ( 1 )
Sample ( 1 )
Five ( 1 )
Perceptions ( 1 )
Crowdsourcing ( 1 )
Random ( 1 )
Trust ( 1 )
Formative ( 1 )
Think Aloud ( 1 )
Performance ( 1 )
Z-Score ( 1 )
protoype ( 1 )
Unmoderated Research ( 1 )
Metric ( 1 )
Facilitation ( 1 )
Prototype ( 1 )
Affinity ( 1 )
Task Completin ( 1 )
Errors ( 1 )
Visual Appeal ( 1 )
Conjoint Analysis ( 1 )
Regression Analysis ( 1 )
SUPR-Q ( 1 )
Expectations ( 1 )
Competitive ( 1 )
Task Randomization ( 1 )
Test Metrics ( 1 )
Quality ( 1 )
Software ( 1 )
Segmentation ( 1 )
Design ( 1 )
Top Task Analysis ( 1 )
True Intent ( 1 )
Unmoderated ( 1 )
Effect Size ( 1 )
Persona ( 1 )
User Testing ( 1 )
Margin of Error ( 1 )
Many software companies track and use the Net Promoter Score as a gauge of customer loyalty. Positive word of mouth is a critical driver of future growth. If you have a usable product, customers will tell their friends about the positive experience. And alternatively, a poor user experience will lead customers to tell their friends how unusable a product is. But what are good Net

Read More

It is one of the most important questions to ask when measuring usability. Just how much does the process of measuring impact the metrics we collect? In measuring perceived usability of five popular websites, I found that a single difficult task lowered post-test usability scores by 8%. This was largely driven by users with the least experience with the website, whose scores dropped by almost

Read More

There is a long tradition of including items in questionnaires that are phrased both positively and negatively. This website was easy to use. It was difficult to find what I needed on this website. The major reason for alternating item wording is to minimize extreme response bias and acquiescent bias. However, some recent research[pdf] Jim Lewis and I conducted found little evidence for these biases.

Read More

It is the 25th anniversary of the creation of the most used questionnaire for measuring perceptions of usability. The System Usability Scale (SUS) was released into this world by John Brooke in 1986. It was originally created as a "quick and dirty" scale for administering after usability tests on systems like VT100 Terminal ("Green-Screen") applications. SUS is technology independent and has since been tested on

Read More

In a few seconds what can you tell about people… or websites?Some famous research has shown that student evaluations given after only a few seconds of video[pdf]are indistinguishable from evaluations from students who actually had the professor for an entire semester!There has been some relevant research on the importance of immediate website actions and impressions:Visual Appeal: Impressions of a homepage's visual appeal and aesthetics happen

Read More

The System Usability Scale (SUS) is the most popular standardized usability questionnaire. SUS was developed about 20 years ago at Digital Equipment Corporation by John Brooke. It's popular for two reasons: it's free and short (at only 10 questions). The process of taking a set of ordinary questions and making it into a psychometrically valid and reliable "standardized" questionnaire essentially involves having many users answer

Read More

Would you recommend your cell-phone to a friend?  How about the rental car company you just used?  Customer loyalty is an important attribute of a product or service's long-term viability.  There are many ways to measure the construct of customer satisfaction and loyalty and they usually involve questionnaires, such as the American Customer Satisfaction Index .  One of the more popular methods is something called

Read More