User research showed that people wanted a more detailed breakdown of their posture than the app provided. But development may be required to collect posture data at a more granular level. Further testing could show whether the increased clarity of the new metric would be worth the investment. The Lumo Lift was already collecting a form of time in good posture, as it displayed the percentage of each hour in good posture. This metric is easy to compare across days, works well with goal setting and tracking, and does not depend on Coach Mode being turned on (as metrics related to buzzes would). The metric that I propose is total time in good posture for each day. In order to enable people to benchmark and track their posture improvements, the app needed a new metric that was more intuitive and granular. User research revealed that people were confused with the metric of "good posture hours," and did not find the metric to be useful (see user research findings for more details). The primary metric that the Lumo Lift app used was a "good posture hour," which was defined as an hour in which someone maintained good posture for at least 40% of the hour. This would give more motivation to those who are starting out and struggle with reaching the targeted 40% good posture in an hour, and it would also offer those who consistently exceed the target a way to quantify their achievements (distinguishing between 40% and 99% of the hour). Solution: Another more intuitive metric for tracking posture could be introduced, such as a count of the total number of minutes of good posture, the longest string of continuous good posture, number of buzzes per hour, etc. I would like to see more minute-to-minute data to stay motivated.” (Appendix) Swell, but five hours compared to what? Did I only wear the thing for five hours, or did I use it for sixteen hours?” Another lamented that it records 0 hours if one is below the 40% goal line: “I love the concept of the device but only seeing zero hours of good posture despite having the coach turned on is discouraging. One pointed out the lack of context: “…it will tell you '5 hours of good posture'. In addition, good posture for 40% and 99% of the hour were both recorded the same way, as 1 good posture hour.Īll 3 testers remarked that the good posture hour metric could be improved: (1) “posture hours is a bit ambiguous ” (2) “it’s not a very intuitive metric ” (3) it’s “just the total, I want something more granular." 4 customer reviews expressed frustration at the use of “good posture hours” as a metric. That means that somebody could reach 39% good posture for 12 hours, but still have 0 good posture hours. I would definitely buy it again.An hour was classified as a "good posture hour" when the user had good posture for at least 40% of the hour. I've had it for about a week, and my posture has already begun to improve. The pedometer feature is notorious at un der-counting steps, but I didn't buy it for that. Constantly having to set your target posture was kind of annoying at first, but I quickly got used to it. As you sit, stand, and move around throughout the day, you will have to set your target posture again, but that is easily achieved by pressing the one button on the device, which can be done through your clothes, and you get clear haptic feedback, so you know you were successful. Once you put the device on, you set the target posture, and go about your day. The app is minimalist while still allowing you to customize your Lumo experience. I had some issues getting mine to pair with the app (I purchased a used one), but after uninstalling and reinstalling it, it worked, and setup was a snap after that. I got one at the advice of my chiropractor.
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