Sensual Evaluation Instrument

Method suitability

Study type

Field studies
XLab studies
Online studies
Questionnaire

Development phase

Concepts
Early prototypes
XFunctional prototypes
XProducts on market

Studied period of experience

Before usage
XSnapshots
An episode
Long-term UX

Evaluator / Info provider

UX experts
XOne user at a time
Groups of users
Pairs of users

Data

XQualitative
XQuantitative

Applications

XWeb services
XPC software
XMobile software
XHardware designs
Other:

Requirements

XTrained researcher
XSpecial equipment

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.

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