<prompt> Translate the following text to EnglishHii ni njia ya kuahidi hasa kwa GAO, kwa sababu inaweza kufanikiwa juu ya idadi kubwa ya ripoti za utafiti wa kesi zinazopatikana, juu ya ubora wa nyaraka zinazounga mkono matokeo yao, na juu ya mfumo wa jumla wa mbinu ambayo viwango vya GAO hutoa.  <response>: The latter is a particularly promising method for GAO, because it can capitalize on the large number of case-study-like reports that are available, on the quality of the documentation that supports their findings, and on the general methodological framework that GAOs standards provide. 