MW18 Presentation: Anonymous And Cheap: Experimenting With Unobtrusive Methods Of Measuring User Experience And Engagement For In-Gallery Interactives
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The document discusses experiments using unobtrusive methods to measure user experience and engagement with digital interactives in art galleries. It tests using idle timers and event analytics to measure user sessions and interactions. It also uses video observations and optimized survey forms to count visitors, measure time spent, and identify reasons for engagement or disengagement. The results show the proportion of visitors using interactives varied by age, and that content engagement depended on factors like usability, interest level, and time constraints. Overall, the experiments provide benchmarks for measuring user experience in galleries and insight on how to improve interactive design.
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MW18 Presentation: Anonymous And Cheap: Experimenting With Unobtrusive Methods Of Measuring User Experience And Engagement For In-Gallery Interactives
- 1. ANONYMOUS & CHEAP Experimenting with Unobtrusive Methods of Measuring User Experience and Engagement for In- Gallery Interactives
- 2. Anonymous: Solution and Problem Visitors: Low barrier to entry NO DATA
- 5. One task One interpretive point Usable ≠ Engaging
- 6. What these experiments were… and weren’t WERE: • UX engagement • Stop-gap • Trial and error/iterative WEREN’T: • Educational/interpretive goal measurement • Exhaustive or definitive • High-tech
- 7. “Engagement is a category of user experience characterized by attributes of challenge, positive affect, endurability, aesthetic and sensory appeal, attention, feedback, variety/novelty, inter-activity, and perceived user control” - O’Brien & Toms Question 1: What is “engaged”?
- 8. Questions about experience • What proportion of visitors are using them? • Do visitors understand function? • Do the interactives support the context? • What is the emotional response? Are there things we can measure to benchmark future projects?
- 9. First Line of Attack: Idle Timers & Custom Event Analytics
- 10. Idle Timer as User Session Proxy
- 11. Mean: 3.7 pinch-to-zoom interactions per “user session”
- 12. Idle Timer as User Session Proxy
- 13. Mean: 0.3 interactions with interpretive content per “user session” 0 500 1000 1500 2000 2500 3000 Blaschka Map: User Sessions and Map Pin Taps Map Pin Tap Events User Sessions
- 14. Second Approach: Video Observations and Optimized Forms
- 15. The Setup • Two cameras • Two rooms • Four digital interactives
- 17. Optimized Forms • Two tools • Multiple iterations • Lots of trial and error
- 19. Results
- 21. Digging Deeper • Individual observations of behaviors and interactions • Branching logic forms for data collection optimized to visitor behaviors
- 22. Mosaic Theater How do you measure engagement with a passive experience?
- 23. Mosaic Theater: Passive Engagement 30% 13% 18% 17% 22% Mosaic Theater: Visitor Time Spent less than 1 minute 1-2 minutes 2-4 minutes 4-8 minutes more than 8 minutes
- 25. Tiffany Workshop Interactives: the Payoff
- 27. Workshop Interactives: Disengagement • Satisfied with information and/or experience: user purposefully examined most or all the content and/or engaged in discussion with others about the information presented • Interruption or distraction: interruption of attention by other person or activity • Usability issue(s): repeated unsuccessful attempts at interaction or visual frustration • Boredom or uninterested: user quickly perused or otherwise spent little time or attention on information or application • Time Constraint: summoned away before user appeared ready to depart. This category was sometimes difficult to distinguish from “interruption or distraction” • Unclear: could not infer reason for disengagement or otherwise unclear
- 29. Where Do We Go From Here? XKCD
Hinweis der Redaktion
- I wanted to share some info today about a few cheap and simple experiments we’ve done to try to get some -- hopefully meaningful -- data on how visitors are engaging with digital interactives that were NOT built to capture information on individual visitors.
- At CMoG, we build a lot of anonymous-use digital interactives for our exhibitions, particularly temporary exhibitions. For visitors, that means no apps to download, no devices to carry around, no registration or sharing of personal information. The big problem with that is that those applications don’t provide meaningful data on usage because there’s effectively no such thing as a user. There are some ways to try to get around that don’t intrude or require anything from user -– like tracking users with Wi-Fi localization -- but they’re not great for the information I’m interested in: visitor engagement from a user experience perspective.
- We regularly do studies where someone watches where visitors go and where they linger. But as a UX person, that doesn’t tell me a lot about their digital experiences. Doing visitor surveys helps, but it’s obviously pretty intrusive. I tend to rely on observations to try to get at user experiences, but people don’t like being watched, and I’m not particularly fond of watching them. And my sense is that, when museum staff are around, some people avoid or walk away from digital interactives for fear of looking foolish.
- One of the other problems with observations – sometimes, there’s nowhere to be unobtrusive. This is the exhibition area in our Library – essentially a hallway, and usually pretty quiet. So it’s a very difficult place to lurk unobtrusively.
- A lot of our digital interactives are pretty narrowly focused and simple, especially for temporary exhibitions. They’re often not meant to be 10 minute experiences. Sometimes 30 seconds will do it. This interactive was part of our recent Tiffany’s Glass Mosaics exhibition. There was essentially one interaction – you move the view area around to see differences between three different mosaics made from the same design drawing. Most of the information was visual, but there were also three highlighted areas with short bits of text. You could literally get all the information in a minute or even less. Usability is very important, but just because they could figure out how to move the viewer around with their finger doesn’t mean they were interested or consuming the information.
- So we were hoping for some better information. While we’re exploring more complicated solutions, we decided to look at a few not-so-super-sexy, low-tech, and cheap ways to try to get some information on how engaged visitors are with these interactives. There’s obviously some crossover here with educational goals. I don’t claim any expertise in that area, but this has been a good project for discussion with the education team.
- So the first question that arose when we started on this effort – what does engagement actually mean? What are we measuring? Obviously, engagement can mean different things with different applications or different perspectives, but this is a definition I came across that nicely combines different Human-Computer Interaction and Psychology concepts into a solid UX engagement starting place, including some things we could actually try to measure against.
- From there, it was time to start thinking about questions we could try to answer – whether there were ”positive affects” or “sensory appeal” or “attention” that we could detect. One big challenge in temporary exhibitions is that time constraints usually mean that once these digital interactives were built, there’s a pretty low likelihood of updates, or improvements. Unless something is broken, it’s on to the next thing… So a big questions was: are there things we can measure with the digital interactives in those exhibitions that would be useful and applicable to future efforts?
- As a place to start, we tried some things with existing analytics tools. At first, we just set up the applications to track custom events in Google analytics – you tap or pinch and it tells Google that something happened and when. These kinds of applications don’t have the normal web or mobile application things like identifiable users or sessions or page views. So to try to tease more information out, we tried using idle timers as a proxy for a user ”session”. We often use these idle timers anyway to reset the application after no one has been using it. So when it’s been sitting idle for 45 seconds or whatever, it tells Google that that was the end of a user session. The next interaction after that starts a new session.
- This is a touch-screen interactive originally built by Genetic Science Learning Center at the University of Utah that we adapted for use in an exhibition about microscopes. Basically, you did pinch gestures to zoom to higher magnifications. So: super-simple, single interaction. And using that idle timer technique, we could at least get a guess at how much a “user” was doing with the application – so in this case, how many times each person pinched to zoom in.
- There weren’t a lot of ”user sessions” – this was over in that quieter library exhibition area. So that wasn’t a big surprise. But the people that did use it at least seem to have seen a decent portion of the content – with this ide timer method, we saw an average of about 3.7 pinch-to-zoom interactions per session. You could see all the content in 4 or 5 pinch gestures, so the people that DID use it seemed to be seeing most of the content.
- We used this same idle timer method in another touch display later in the main galleries – this was an interactive map of collections of Blaschka models of marine invertebrates, which are these incredibly accurate glass models from the 1800s, of creatures like anemone and jellyfish that don’t hold up well as dead specimens in jars. They were used in universities and museums all over the world. .
- This map data showed one or two thousand interactions with that map most days – so people were reasonably enticed to explore the map – but not so enticed by the actual interpretive content: only about 1 in 3 proxy user sessions involved touching one of the map pins or pin clusters that included information about Blaschka collections. The other two-thirds of the sessions just explored the map. This idle timer method is definitely not perfect – it’s likely that sessions are undercounted in busy times when the idle timer doesn’t trigger or when it’s used in groups. And maybe some overcount if people are slow or distracted or discussing things.
- In any case, we can’t really get a full understanding of the various aspects of engagement just by measuring touches and swipes. So to take a stab at getting more robust and interesting user experience data, we tried a second approach: using footage from off-the-shelf, networked security cameras, combined with optimized data entry forms to collect lots of observation data quickly. One of the hopes was to compare the data we gathered with the idle timer technique with the security camera footage. Unfortunately, one of the not-so-surprising lessons learned from that exhibition: spotty Wi-Fi connections can make a mess of analytics data collection. So we’ll have to go back to that comparison another time.
- We tried this video observation - form data approach in the Tiffany’s Glass Mosaics exhibition. There were four touch screen-based interactives in two of the rooms. One room was a darkened space we called the “Mosaic Theater”, which had large monitors for display and a kiosk-style touch display to select presentations and view some basic contextual information. The other room was presented like a mosaic workshop, and had three touch-screen interactives that let visitors closely examine a few of the mosaics and the glass fragments used in them. We mounted a security camera on the ceiling of each of those two rooms.
- The cameras are a good way to ensure more naturalistic observation – there’s no museum staff member or consultant peering over their shoulder, at least not literally. We did of course have some internal conversations about privacy. Security cameras are part of our every day lives now, so that helped ease some concerns, and we put a few policies in place to try help protect visitor privacy. One of the big bonuses of this video method was that you could do your observations at any time – you just schedule the cameras to record, and you can spend your life in meetings as needed. Then you can go back and watch the footage and collect your data any time, or recruit other people to help.
- The real key to making this work efficiently was trying out a couple of different ways of using data collection forms for tracking visitor activities. I went through quite a few iterations of these – watching video, clicking buttons, seeing what I could realistically and efficiently track, then changing the form and trying again. Essentially, it was usability testing the tool for an audience of one or two people – mostly just me. This was actually one of the most time-consuming aspects of this approach, but hopefully it’s something we can use again in the future.
- One of the first trial-and-error lessons was that we couldn’t count visitors AND track their real interactions at the same time, or with the same tool. So for quick basic quantitative data, I created a web form connected to a Google spreadsheet to track the number of visitors entering the space and the number of visitors using the digital interactives – with some demographic best guesses. We could usually run the video at 2 or 3 times normal speed and we managed to track 700 people pretty efficiently. That said, this wouldn’t be great for tracking many hundreds of visitors in an hour. https://dm.cmog.org/tiffany/ux-analysis/test-visitor-track-form.html
- We used this particular web form for the workshop area interactives – it didn’t work well for the Mosaic Theater space, for reasons I’ll talk about in a minute. So with this method, we could get a sense of the proportions of different demographic categories of visitors who used the digital interactives. We obviously had to make some guesses about demographics, which is a flaw if you want to dive very deeply into any of this data. It’s better for generalizations.
- One surprise from the data, for me anyway, was that seniors used the interactives more than adults. The seniors just took more time to check everything out. You can get these kinds of insights from regular, in-person observations. It was nice to have these naturalistic observations combined with a larger set of quantitative data, but this was still a bit more superficial than what we were hoping to get.
- So, to attempt to dig a little deeper, we turned to different tools and techniques. To get real information about actual engagement, you really have to watch individual users. But we were still hoping to find some efficiencies in data collection, and hoping for some ways to quantify things. To keep things simple, I just used Microsoft Forms to set up data entry forms that worked roughly in the order that visitors typically moved, and only show what’s needed – if the visitor didn’t use one of the digital interactives, it skipped those data fields. https://forms.office.com/Pages/ResponsePage.aspx?id=5U3G_qrrqEWN1P8uiGfiqf_Qgq-jS_9Gjbi0fOfPEdFUODZMVTgxR0xERzNTMUhLRjg1MUtSTkxJOC4u
- Tracking engagement from a UX standpoint for the Mosaic Theater was challenging. With this space, the interactive part wasn’t really key to being engaged. Visitors could consume the interpretive content without ever touching it -- other people could choose which presentations to watch. And people sometimes came and went multiple times, or watched and listened to some of the presentations and then got absorbed in their phones. So this was a bit trickier for defining measurable indicators of engagement.
- But we gave it a shot. We tracked 100 visitors with the video footage for the mosaic theater. We gave up on demographics – it was just too hard to make those guesses in the darkened space. It WAS generally possible to tell which video presentations were being watched, so we were able to get information not just about the time they spent in there but how many presentations they sat through and which ones they left during or after.
- We did also track visitor usage of the control surface, and it did at least seem clear that people knew HOW to use it. One of the questions that I hoped to answer was about a back button, to interrupt whatever was playing and go back to the selection screen. We removed that early on in the exhibition over concerns about it being annoying to other people watching the presentations. So we wanted to know if it was problematic NOT to have that control. Given how passive the experience was meant to be, I was actually a bit surprised at the proportion of people who did use the controls. And while there were definitely a few people frustrated by the lack of a back button, it wasn’t really a big problem.
- Where this video and form data collection approach really paid off was in the workshop area, where there were three touch-screen interactives -- in close proximity, adequate light, and with clear camera views of the screens and visitors. We used forms optimized for this space and questions about these interactives, so quite often, we were able to track 2 or 3 people at a time.
- Along with demographic guestimates, we could track the time spent interacting on each application, how much of the available content the visitor saw, and see and make some notes about behaviors and and engagement with the context – like talking, and pointing at portions of a mosaic. Visitors spent the most time with the digital interactive that had the least interpretive content – the ”Last Supper” interactive only had 3 highlighted interpretive locations, compared with 7 for the others. So on that simpler interactive, most of the users saw all the key points.
- We could even make some reasonably clear inferences about why they STOPPED interacting with the application. After a little trial and error, we came up with these reasons for disengagement – things we could usually see from the video observations. There’s obviously some subjectivity to this, so we made it possible to select multiple reasons on the form if there was some grey area.
- So from that data, that Last Supper digital interactive pretty clearly comes out ahead on visitors who seemed satisfied with their experience (in blue), which explains the longer times spent using it. It probably helped that it was on a larger display, but I think its simplicity and clarity played a big role.
- So now those exhibitions are all over and all those digital interactives are packed away in Git repositories. We got a bunch of data on if and how visitors engaged and disengaged with these particular digital experiences, and there wasn’t much iteration or testable changes because we were on to the next stack of projects and exhibitions. It was all meant to be just cheap and easy experiments anyway, while we see about fancier things like maybe automating video observations with computer vision programs. But for the immediate future, we’re hoping that we can employ similar techniques again. We’d like test how well the JavaScript idle timer sessions correlate with real visitor sessions from the video footage. We hope that some of this analysis can serve as a benchmark to compare future digital interactives, and maybe apply these approaches to projects for permanent exhibitions, where we can potentially actually iterate and re-test, in the dreamy future when we have lots spare time on our hands.