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The method is used to select ideas or concepts based on weighted criteria. This way a dialogue is created within the group work about the development and prioritization of criteria.

Normally, the development of criteria occurs implicitly, where the students might not be aware of what they and the other group members consider important for the solution. This is particularly the case in interdisciplinary collaboration. Basing the idea selection on weighted criteria helps this process along.


    1. The students decide on a minimum of five criteria that the solution needs to live up to. Here, criteria should be understood as properties/qualities that the solution can fulfill to a greater or lesser degree, and not as requirements that either can be fulfilled or not.
    2. Thereafter each of the criteria are weighed on a scale from 1 (least important) to 5 (most important).
    3. The students then create a chart where they fill in their weighted criteria (see template in the DOWNLOADS menu)
    4. Each idea is then given between 1-10 points on each of the criteria.
    5. When all of the ideas have received points, the points are then multiplied with their allocated weighting. Finally, the total, weighted score per idea is calculated.
    6. At this point it is important to reflect whether the idea that has received the most points, is in fact the best idea. This can be a good basis for a discussion about rating criteria and their weighting
    7. After having selected 1-3 ideas the students continue with the development and detailing of these ideas. For inspiration for the further process search for methods for concept development.

Ensure that the groups have at least 3 ideas and a maximum of 10 ideas prior to the exercise.


The materials you will need are: markers, large sheets of paper and Post-its.


Roozenburg, N. F., & Eekels, J. (1995). Product design: fundamentals and methods (Vol. 2). Chichester: Wiley.

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