On June 25, DFW2015 program held presentations about tentative research proposals by each group. Presenters explained their research topics, objectives and research methods. They also received comments and advises from Mr. Tolu Sawahata, Prof. Usami, Prof. Yamashita and Prof. Kusaka. After revising their research plan based on these comments, three groups will conduct their pre-survey in Odai town on July 10.