UX EVALUATION METHODS

Sensual Evaluation Instrument

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Summary

Different shaped objects are used by users during a usability test to express how they feel. After the test, an interview is conducted to interpret the results.

Description

The participant interacts with a system and he has an easy access to physical objects with different shapes (spiky, smooth). When emotions arise during interaction, he can pick one of the shapes to express the emotion.

Strengths

Allows to study ambiquity. Picking an object is not as disturbing for the interaction as many other forms of self-reporting. Non-verbal.

Weaknesses

Not easy to analyse.
Not generalizable.

References describing the method

Isbister, K., Hook, K., Sharp, M., and Laaksolahti, J. 2006. The sensual evaluation instrument: developing an affective evaluation tool. In Proc CHI ’06. ACM, New York, NY, 1163-1172.