Case study is preferredideal when the researcher has littleslight control over the events, and when there is a contemporaryup to date focus within a real life context.
The purposerationale of a case study is to place participants in the role of decision- makers, asking them to distinguishdifferentiate relevant from unimportant facts, to identify central alternatives among severalnumerous issues competing for attention, and to formulateprepare strategies and policy recommendations (Yin, 1994).
This approach is used when it’s is necessary to show that one variable causescauses or determines concludes the value of other variable.
This research is good to use when there is no clearunambiguous apprehension about what model that should be used and what qualities and relations that is importantsignificant (Zikmund, 1994).
The Usinge of this approach provides richer and forensic detailsparticulars for exploring viewpoints in the early stage of research.