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You Can Report Percentages with Small Samples, but Should You?

In an earlier article, we demonstrated how it’s completely permissible from a statistical perspective to report numbers when studies have very small sample sizes (fewer than ten people). When you use numbers, you can present them as raw numbers, fractions, or percentages. You can present them in a report, on a train, or on a

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UX and NPS Benchmarks of Flower Delivery Websites (2024)

Mother’s Day is around the corner, and many shoppers will be turning toward online flower delivery services rather than visiting their local florist. Online flower delivery services continue to bloom because of the convenience, the wide selection, and the available personalization options. But when it comes to finding the right bouquet that is delivered fresh

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A Blueprint for Writing Survey Questions

Like with writing an article or book, it can be a challenge to sit down and write survey items. Few professionals have taken a formal course in survey development. Instead, most rely on their experiences or best practices. To help with the process, we wrote Surveying the User Experience. In this article, we take you

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How Long Are Typical Unmoderated UX Tasks?

A common logistical consideration when planning a task-based usability study is how much time you should plan for a task. Many usability studies (especially benchmark studies) suffer from trying to do too many things. That includes asking participants to attempt too many tasks. It’s understandable why tasks get packed in—even low-cost usability testing takes time

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UX and NPS Benchmarks of Banking Websites (2024)

Online banking is ubiquitous. Banking websites and apps are an integral part of our financial lives. They are no longer seen as merely nice-to-have features of a banking relationship. Consumers have come to expect the ability to do simple and complex banking transactions from their computers or phones. This digital transformation especially accelerated during the

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An Experiment Comparing 2D and 1D Bar Graphs

The time it takes to click on an element on a page is a function of its size (Fitts’ Law). People can only keep 7 ± 2 items in short-term memory (Miller’s Magic Number). When multiple similar objects are presented, people will prefer the most different one (Von Restorff Effect). People like to have laws

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Using ChatGPT in Tree Testing:
Experimental Results

Beyond speculation and hyperbole, we’ve been exploring how ChatGPT can be used in UX research. In two earlier articles, we conducted analyses that suggested ChatGPT may have a role, given the right research context. In the first analysis, we found that ChatGPT-4 was able to assist researchers in sorting open-ended comments. In the second analysis,

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An Overview of Survey Sampling Strategies

Unless you plan to survey every member of your target population, you’ll need to work with a sample. But even in cases where you can survey everyone, you might not want to because of survey fatigue and costs. What’s more, most populations are fluid. There may be only a hundred users of a financial product

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Is the SUS Too Antiquated?

The System Usability Scale (SUS) is one of the oldest standardized UX questionnaires. John Brooke is now retired; should the questionnaire he developed almost 40 years ago accompany him on the beach with a piña colada? After all, the SUS was developed when there were green-screen computer monitors. How can it possibly apply to mobile

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Assessing the Reliability of UI Trap Cards

Would having a system for classifying usability problems be helpful to UX researchers and designers? Would it reduce the evaluator effect? Categorization frameworks have been around for decades, but in our experience, they haven’t seen a lot of adoption by commercial development teams. There are probably a few reasons for this: they might not be

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Defining and Finding Participants for Survey Research

You’ve decided to conduct a survey. Congratulations! Now it’s time to get into the details. In our experience, one of the most soul-crushing difficulties of running surveys is the process of defining and finding participants. In this article, we’ll go over some of the logistical details you’ll want to sort out before launching your survey.

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