Spider diagram (also referred to as a Radar chart)
Spontaneous evaluation within the workshop, based on ideas and the solutions that have been developed. This is done according to defined criteria and clear indicators.
DurationShort (up to 30 minutes)
Group size1 to 20 persons
This activity is suitable online.
The group evaluates the solution that has been provided, on a four-point scale, according to the defined criteria.
Seven criteria: feasible, realistic, innovative, effort required, potential for development, personal dedication (How much do I want to be part of the planning and realisation team?), emotional impact on end users.
A list that ranks the solutions is created, and subsequently discussed and reflected upon.
- Create worksheets with a radar chart.
- Print an adequate number of copies, at least A3, (if they are evaluated individually beforehand, A4 sheets might suffice).
- Depending on the variation: For the “together” variant, hand it up where it is visible to everyone. For the “individual” variant, hand each participant a copy.
- Remind participants to evaluate honestly and independently.
- After covert evaluation, the workshop leader collects the individual evaluations and transfers them to a large sheet of paper, and hangs it up somewhere, where it is clearly visible.
- Prepare a brief presentation of the two best ideas.
Hints from experience
- Ask whether everyone understands the criteria.
- If possible, name indicators for each criterion, that illustrate that the requirements have been met.
- If there is an open, trusting atmosphere, evaluate openly as a group. However, if, for example, the group is defined by hierarchies, competitiveness or a lack of trust, get the individual results anonymously first, and then superimpose them over each other anonymously.
- Even rating scales (e.g. four-point scales) require participants to make a decision. Odd rating scales permit participants to remain ‘neutral’.
- This method can already be used to evaluate and select ideas, in order to develop solutions from the results (Closing 1).
- Worksheets, prepared
- Pencils, board markers
- duct tape
- Sticky dots
- Head push pins
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