Sample Sizes for a SUS Score

Despite its age and the availability of other UX measures such as the UX-Lite™ and SUPR-Q®, the ten-item System Usability Scale (SUS) is still a very popular measure. It’s used widely in benchmark tests of software products to generate an overall score of perceived usability. We regularly collect SUS scores for dozens of consumer and

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Comparing Select-All-That-Apply with Two Yes/No Item Formats

We conduct a lot of surveys and unmoderated studies at MeasuringU® using our MUIQ® platform. One of the first steps in these studies involves both screening (ensuring you have the right participants) and characterizing (having sufficient information for further analysis on the participants such as prior experience) the participants. While there are over a dozen

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49 UX Metrics, Methods, and Measurement Articles from 2021

Happy New Year from all of us at MeasuringU®! In 2021 we posted 49 articles and welcomed several new clients to our UX testing platform MUIQ®, where we continue to add new features to reduce the friction in developing studies. We hosted our eighth UX Measurement Bootcamp, again as a virtual event. Going virtual still

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Censuses, Polls, Surveys, and Questionnaires:
How Are They Different?

Surveys are one of the most popular methods in applied research. While many have argued that surveys are overused, it’s hard to believe that surveys have no place in multi-method UX research. When conducting survey-based research, you’ll often encounter the terms census, poll, and questionnaire used in conjunction with—and often interchangeably with—the term survey. But

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Six Ways to Improve Participant Recall

How much did you spend last month on clothing? What grocery stores have you visited in the last three months? How helpful are your Netflix recommendations? Surveys and other research methods (such as in-depth interviewing) often rely on participants recalling prior events or behaviors. For example, these could be about purchasing a product or service

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Classifying Survey Questions into Four Content Types

In architecture, form follows function. In survey design, question format follows content. Earlier we described four classes of survey questions. These four classes are about the form, or format, of the question (e.g., open- vs. closed-ended). But before you can decide effectively on the format, you need to choose the content of the question and

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Four Types of Potential Survey Errors

When we conduct a survey, we want the truth, even if we can’t handle it. But standing in the way of our dreams of efficiently collected data revealing the unvarnished truth about customers, prospects, and users are the four horsemen of survey errors. Even a well-thought-out survey will have to deal with the inevitable challenge

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Nine Words to Watch for When Writing Survey Questions

In UX research, both studies and surveys contain a lot of questions. Getting those questions right can go a long way in improving the clarity and quality of the findings. For example, we’ve recently written about how to make survey questions clearer. And while there are many stories of how the change of a single

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Seven Ways to Make Survey Questions Clearer

The first questionnaires appeared in the mid–18th century (e.g., the “Milles” questionnaire). Scientific surveys have been around for almost a hundred years. Consequently, there are many sources of advice on how to make surveys better. The heart of each survey is the questions asked of respondents. Writing good survey questions involves many of the principles

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48 UX Metrics, Methods, & Measurement Articles from 2020

Happy New Year from all of us at MeasuringU! 2020 was a crazy year, but we still managed to post 48 new articles and continued improving MUIQ, our UX testing platform. We hosted our seventh UX Measurement Bootcamp, this time virtually. The change of format was a challenge, but it was fantastic to work with

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