上游充通大￥ e SHANGHAI JIAO TONG UNIVERSITY Overview of Methodology We present a two-stage concept selection methodology. The first stage is concept screening and the second stage is concept scoring Both stages,concept screening and concept scoring,follow a six-step process which leads the team through the concept selection activity.Overview of Methodology We present a two-stage concept selection methodology. The first stage is concept screening and the second stage is concept scoring Both stages, concept screening and concept scoring, follow a six-step process which leads the team through the concept selection activity