We found it difficult to get good insights from our think-alouds. Our concept is, rather than a simple app, something that requires input from both location sensors and the camera and will only provide a meaningful experience when one is actually at Fotografiska.
The prototype we made was interactive in that the tablet was overlaid on a museum wall background and was able to be moved around. Other than that, we found that we could not easily implement location detection. This meant that rather than the app reacting to one moving around in the museum, we had to provide external buttons for browsing through the different steps. Furthermore, the parent's mobile app was implemented using a different tool.
This meant that all of the comments we received during the think-aloud were related to the way the prototype worked rather than to our actual idea. We were able to explain how it was supposed to work, and then the subjects liked the idea, but since we were able to explain what our interface didn't already make obvious we were not able to get insights into how the app could be improved.
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