This website provides information on some of the more widely used quality improvement methods or tools that a QUERI researcher may find useful. It is strongly suggested that the researcher consider these methods as part of a proposal. Depending on the particular research proposed or the phase of research, the most useful set of methods will vary. The web site asks for the attributes of your research project and based on that response, presents the methods which offer the most capabilities relevant to the research. Of course, the researcher is free to peruse all the methods because unique aspects of certain situations may be helped by any of these methods.