<prompt> Translate the following text to Swahiliwhile exploratory case study sites should bracket the diversity that is likely to be encountered in the program, population, and setting of a larger study.  <response>: Maeneo ya utafiti wa kesi ya utafutaji yanapaswa kuunganisha utofauti ambao unaweza kupatikana katika programu, idadi ya watu, na mazingira ya utafiti mkubwa. 