How Does Statistical Hypothesis Testing Work?

Statistically significant. p-value. Hypothesis. These terms are not only commonly used in statistics but also have made their way into the vernacular. Making sense of most scientific publications, which can have practical, significant effects on public policy and your life, means understanding a core framework with which we derive much knowledge. That framework is called

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Leading Vs. Lagging Measures in UX

Driving down the road while only looking in the rearview mirror … that gives you a good idea of where you’ve been, but unless the road behind you is exactly like the one in front of you, you may run into some obstacles, to put it mildly. Safe and effective driving means looking forward and

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Comparison of UX Metrics in Moderated vs. Unmoderated Studies

How Similar Are UX Metrics in Moderated vs. Unmoderated Studies?

Unmoderated testing platforms allow for quick data collection from large sample sizes. This has enabled researchers to answer questions that were previously difficult or cost prohibitive to answer with traditional lab-based testing. But is the data collected in unmoderated studies, both behavioral and attitudinal, comparable to what you get from a more traditional lab setup? Comparing

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How to Determine Task Completion

Task completion is one of the fundamental usability metrics. It’s the most common way to quantify the effectiveness of an interface. If users can’t do what they intend to accomplish, not much else matters. While that may seem like a straightforward concept, actually determining whether users are completing a task often isn’t as easy. The

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Does the Fidelity of a Prototype Affect Results?

Evaluate product designs and concepts early and often. Don’t wait till you’ve built the entire app, website, or product before having people actually use it. Build a prototype and test it. These principles are fundamental to user-centered-design, as well as other popular concepts such as the lean startup and minimum viable products featured in the

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UX & NPS Benchmarks for Consumer Software (2017)

Positive word of mouth is a critical driver of future growth for consumer software products. Along with features and capabilities, user experience is a key determinant of how likely users adopt new technology and recommend software. We’ve found that usability accounts for between 30% and 60% of the variation in Net Promoter Scores. A positive

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50 UX Metrics, Methods & Measurement Articles from 2016

It was another busy year on MeasuringU.com with 50 new articles, the release of the 2nd editions of two books, UX Bootcamps in Denver and Rome and talks in London and Chicago. In 2016, our articles were served up to over a million visitors. Thank You! We covered topics including: usability testing, measurement and research

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Top 10 UX Metrics, Methods & Measurement Articles from 2015

It was another busy year on MeasuringU.com with 49 new articles, a new book and UX Bootcamp. In 2015, our articles were served up 2.3 million times to 900,000 visitors. Thank You! We covered topics including the essentials of usability testing, finding the right sample size, and better ways of measuring the customer experience. Here,

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How Reliable Are Self-Reported Task Completion Rates?

Did you do that task correctly? Unmoderated testing provides many benefits. The most notable of which is the ability to collect metrics from a large and geographically diverse sample of participants quickly. A common metric collected in usability tests is the task completion rate. It’s often called the fundamental usability metric because if users can’t complete

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Software Usability & Net Promoter Benchmarks for 2014

Many factors, including features and price, influence whether customers recommend software products. But usability consistently tops the list of key drivers of customer loyalty. Typically, usability accounts for between 30% and 60% of the “why” when customers do or don’t recommend products. A positive experience leads more customers to recommend a product. A negative experience,

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