上游充通大粤 SHANGHAI JIAO TONG UNIVERSITY Concept Screening The purposes of concept screening are to narrow the number of concepts quickly and to improve the concepts. Step1:Prepare the Selection Matrix To prepare the matrix,the team selects a physical medium appropriate to the problem at hand. ·Matrices on paper For individuals and small groups with a short list of criteria Chalkboard Large group can use to facilitate group discussionConcept Screening The purposes of concept screening are to narrow the number of concepts quickly and to improve the concepts. Step1: Prepare the Selection Matrix • To prepare the matrix, the team selects a physical medium appropriate to the problem at hand. • Matrices on paper – For individuals and small groups with a short list of criteria • Chalkboard – Large group can use to facilitate group discussion