Tasks set
As far as techniques are concerned Participatory Design follows the tradition of User Centred Design; it distinguishes itself, however, by means of its democratic approach.
Our goal in the developmental process is bringing together the wishes and ideas of all participants.
Method
Test sessions are conducted with individuals or groups; these encounters are characterised by their informal atmosphere:
Associated methods are: and use cases, paper prototyping, and design testing. field observations, the development of personas and use cases, paper prototyping and design testsing.
Process phase
Sample
The sample size varies depending on the number of target groups. Test sessions may involve individual respondents or groups.
4 to 5 persons per target group should be invited to test sessions that focus on individuals; if test sessions examine groups, one test session per target group is suitable. The optimum number of participants comprises 5 to 7 respondents per group.
Timing
Depending on the sample size and the complexity of the object under investigation the study may span 1,5 to 5 weeks.
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