evaluation of the approved research proposals in hamedan university of medical sciences

background: evaluating the research projects in qualitative and quantitative terms is necessary to clarify their advantages and disadvantages and to resolve the possible failures.   purpose: the study aims to assess the quality of the approved research projects. the objective is to determine whether the design of the research in the approved proposals is accurate in regard of different scientific aspects. methods: questionnaires of 78 approved research proposals in university of medical sciences, which were conducted by a faculty member, has been evaluated in terms of the principles of sampling, study methodology and consistency between these two items. results: mistakes in sampling techniques, with a rate of 45.2%, were more evident than other items. 10.3% of study methodologies were incorrect, and the consistency of methodology and sampling was inaccurate in 26.7% of projects. 53.8% of projects had some kind of mistake in them. conclusion: holding advanced workshops on research methodology and more strict supervision at the time of approving research projects are recommended.