PAD

Method suitability

Study type

XField studies
XLab studies
XOnline studies
Questionnaire

Development phase

Concepts
Early prototypes
XFunctional prototypes
XProducts on market

Studied period of experience

Before usage
XSnapshots
XAn episode
Long-term UX

Evaluator / Info provider

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

Data

Qualitative
XQuantitative

Applications

XWeb services
XPC software
XMobile software
XHardware designs
Other:

Requirements

Trained researcher
Special equipment

Summary

General Tests of Emotion or Affect for Evaluating Consumer Reactions to Products and Services, Including User Interface.

Description

The PAD software averages responses of consumers to each stimulus and thus feedback on consumer emotional reactions to the stimuli being compared. Averages of the three basic pleasure (P), arousal (A), and dominance (D) values (scores) supplied by the software for each stimulus yield common-sense and meaningful data for evaluating and redesigning any stimulus.

Strengths

+ instrument has been well investigated
'+ used in different settings

Weaknesses

same drawbacks as with all subjective scales; the dominance scale is not always easy to understand for users.

References describing the method

http://www.kaaj.com/psych/scales/emotion.html

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