The controller, with it's large buttons, was deemed easy to use by most. The fact that there weren't so many buttons also helped, but it’s clear that we need to add symbols to them so people know what button does what. The colour on the display matching the zone you’re in is good. It’s possible we need to add a back button.
There was a problem conducting the think-alouds, since we didn't have easy access to the museum guides that would be our target group. Instead we had to use people around us, so maybe the results aren't as specific to the guides' issues as we would have liked. Another problem with the prototype is its second hand nature; you’re experiencing a simulation of the actual experience rather than the experience itself, unlike e.g. an app that you can test directly, which may have affected the feedback.
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