<prompt> Translate the following text to SwahiliEach of these criteria is associated, in the literature on case study methods, with performance standards such as triangulation believed useful in ensuring-if they are carried out-that the study will be a good one.  <response>: Kila moja ya vigezo hivi ni kuhusishwa, katika fasihi juu ya mbinu ya utafiti wa kesi, na viwango vya utendaji kama vile triangulation kuamini muhimu katika kuhakikisha - kama wao ni kufanyika - kwamba utafiti itakuwa nzuri. 