Hua DONG,Tongji University Basic means Stages Main outcomes Literature Research Clarification Goals Analysis Empirical data Descriptive Study I Understanding Analysis Assumption Experience Prescriptive Study Support Synthesis Empirical data Descriptive Study II Evaluation Analysis Ref:Blessing Chakrabarti 2011Stages Research Clarification Descriptive Study I Prescriptive Study Descriptive Study II Main outcomes Goals Understanding Support Evaluation Basic means Literature Analysis Empirical data Analysis Assumption Experience Synthesis Empirical data Analysis Ref: Blessing & Chakrabarti 2011 ©Hua DONG, Tongji University