<prompt> Translate the following text to SwahiliEach of these nested studies is treated, in terms of specification of the unit of study and collection of data appropriate to it, as any other case study would be.  <response>: Kila moja ya masomo haya nested ni kutibiwa, katika suala la vipimo ya kitengo cha utafiti na ukusanyaji wa data sahihi kwa hilo, kama yoyote nyingine ya utafiti wa kesi itakuwa. 