... evaluate the validity of the given test used for second year students at Economics Department, Hanoi Open University The qualitative method is applied to analyze the results from data collection of the ... rationale, the scope of the study, the aims of the study, the methods of the study and the design of the study Part is the body of the thesis which consists of three chapters Chapter reviews relevant theories ... students at ED, HOU Aims of the study The study is mainly aimed at examining the validity of the existing achievement test for non major, 2nd year students at ED, HOU This is supported by other sub-aims:...