The Basic Principles of research design of comparative research e Effect Results 丿WX Method ofagreement VWX 2110 VWX UUU VWX Method of Di∥ erence WWX 5678 010 0000 VWX U 011The Basic Principles of Research Design of Comparative Research Case Causes Effect Results V W X U (Method of Agreement) 1 1 1 1 1 VWX U 2 1 1 0 1 VWX U 3 1 0 1 1 VWX U 4 1 0 0 1 VWX U (Method of Difference) 5 0 0 0 0 VWX U 6 0 0 1 0 VWX U 7 0 1 0 0 VWX U 8 0 1 1 0 VWX U