Paired comparison is a technique which compares alternatives one to one in a tabular fashion. It is sometimes also used to compare criteria and calculate their weights. Alternatives are set-up over both table axes. When comparing one alternative with another, one can give a preference over one idea to another.

Card sort is a technique which ranks alternatives on intuition by shuffling them step by step. There are different variations possible, by assigning values to a collection of alternatives or just by shuffling them on intuition. This technique shuffles ideas one by one to select a certain set. Next to ideas, you can also use […]

In the castle technique, each idea is voted yes or no, based on the criteria of acceptability, practicality and originality. It is a technique which is suitable for groups. There are different variations possible how this technique can be executed. For example, it is also possible to select the best three alternative, develop these further […]

Reverse brainstorming generates solutions to criticisms for alternatives. This is done by listing all criticisms and solving these criticisms with new alternatives.