Phase 4: Test ideas

Now the journey goes back to the customers to test the concepts. Do the customers feel understood in their needs and frictions? How do they evaluate the concepts? Based on the feedback directly from the customers the best concept gets selected and further refined. In this refinery, now also technical and economical feasibility are considered. At the end of phase four, 4 – 6 concepts are selected to get further worked out in the next phase.