Don’t you hate when that email you were looking for ended up in your spam folder? Or when you go through security at the airport and the medical detector flags your belt or shoes as something nefarious? Or when you get a medical test back that indicated a problem only to find out everything was
Percentages are popular. Executives like them, the media reports them, and we hear them every day. We use percentages all the time in UX research. They can be based on demographics: Percent women Percent millennials Percent who are current customers Or based on attitudes and actions: Percent completing a task Percent recommending a product Percent
To answer most user-research questions fundamental statistical techniques like confidence intervals, t-tests, and 2 proportion tests will do the trick. But to answer some questions most effectively you need to use more advanced techniques. Each of these techniques requires specialized software (e.g., SPSS, Minitab, R) and training on how to set up and interpret the
When you’re planning a study to compare multiple interfaces, one of the first choices to consider is whether to use a within-subjects or between-subjects approach. The interfaces can include anything you want to compare: design mockups, competing websites, or a new mobile app design with an old mobile app design. The choice comes down to
You can slice and dice data in a lot of ways using a variety of statistical tests. The type of study, data type, and your research question will dictate the right statistical test you need to perform. With the five tests I cover here, you can test most of your hypotheses in the customer experience.
Geek out this summer and catch up on some stats. With your kids home from school with their reading lists, now’s the perfect time to create a reading list of your own to tackle this summer. I know reading statistics articles probably isn’t your idea of a summer vacation; however, I’ve selected ten articles from
Which design do you prefer? Which product would you pick? Which website do you find more usable? A cornerstone of customer research is asking preferences. A common scenario is to show participants a set of designs or two or more websites, and then ask customers which design or site they prefer. While customer preferences often
What do customers want? It’s the million dollar question with what seems like a million answers. Prioritizing product features, including conducting a top-tasks analysis, is an essential step in creating the optimal product and experience. During the prioritization phase, our clients will on occasion specifically ask for a conjoint analysis. As data geeks, we love
Data goes missing. It’s a fact of life for the researcher. You put time and money into a research study. You do what you can to prevent missing data and dropout, but missing values happen and you have to deal with it. How do you address that lost data? First, determine the pattern of your
You know the scenario. You’re browsing books on Amazon, and you scroll down to see the now-familiar phrase: “Customers Who Bought This Item Also Bought…” Amazon then presents you with a list of books that, in many cases, are of interest to you. Have you ever wondered how Amazon knows what books to recommend? The
