<prompt> Translate the following text to EnglishKatika makala hii, tutaelezea aina sita za masomo ya kesi na kwa kila moja ya makala kama vile idadi ya maeneo, uteuzi wa maeneo, ukusanyaji wa data, uchambuzi wa data, na ripoti.  <response>: We have presented six types of case study evaluations and for each one described features such as number of sites, site selection, data collection, data analysis, and reporting. 