concept DF. Having determined the concepts for further analysis, the team must clarify which issues need to be investigated further before a final selection ca n be made.
The team must also decide whether another round of concept screening will be per
formed or whether concept scoring will be applied next. If the screening matrix is not seen to provide sufficient resolution for the next step of eva l uation and selection, then the concept-scoring stage with its weighted selection criteria and more detailed rating scheme would be used.