1) What kinds of information and insights did it give you about the usability of the prototype?

The usability of the prototype can address the interaction issue between the users and the design. The use of observation can reflect the user behaviors interacted with the details of the product. The use of evaluation can help to analyze and find out the potential problems and features, combining with the different types and patterns. Thinking-aloud only focuses on the verbal In addition, recording the descriptions of doing, thinking and feeling can provide a good feedback to the improvement of the product.

2) What aspects of the technique worked well or were frustrating?

During the tutorial, observing the face expression was quite interesting and helpful to realize how to feel and think about the usability of the prototype. For instance, I tried to find out what they are doing, but I felt sometimes I were frustrating. When I want to record the details and information which reflect the conditions immediately, I would miss some key information, the user’s flow, and its frequency. Handling the large amounts of real-time information is a hard task to me to improve in a more effective way.

 

 

 

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