<prompt> Translate the following text to SwahiliBias detection methods may be inadequate; may fail to take into account diverse views about program goals and purposes; competence of all on-site observers may not be sufficiently high; can be costly due to study size; the demands of data management, data quality control, validation procedures, and analytic model within site, cross site, etc. may lead to cutting too many corners to maintain quality  <response>: Njia za kugundua upendeleo zinaweza kuwa duni; zinaweza kushindwa kuzingatia maoni tofauti juu ya malengo na madhumuni ya programu; uwezo wa waangalizi wote wa tovuti inaweza kuwa haitoshi; inaweza kuwa ghali kwa sababu ya ukubwa wa utafiti; mahitaji ya usimamizi wa data, udhibiti wa ubora wa data, taratibu za uthibitisho, na mfano wa uchambuzi ndani ya tovuti, tovuti ya msalaba, nk inaweza kusababisha kukata pembe nyingi sana ili kudumisha ubora. 