This technique is mostly used in the evaluation phase of a challenge, but people also like to use it from time to time in the brainstorming phase.
Statements provoked by impulses on a presented idea are presented by the participants. The procedure is very suitable as a feedback method
in the evaluation phase of an idea, as can be seen in the example below. But it can also be used to provoke spontaneous comments on a challenge or to verbalize experiences more easily.