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Case Study

Yin 2003

Case studies are the preferred strategy when the researcher has little control

over events.The case method allows the researcher to retain the holistic characteristicsof real-life events such as organizational and managerial processes. .2!ow and why research "uestions re"uire an e#planatory case study$ incontrast to descriptive ones.Case study is preferred when e#amining contemporary events$ %ut contraryto historical or e#periments$ in the case study %ehaviors cannot %emanipulated.&irect o%servation$ and interviews are two sources of evidence for casesstudy %uilding.The case study uni"ue strength over other methodologies$ is that case study

has the a%ility to deal with a wide array of sources of evidence such asdocuments$ artifacts$ o%servation$ and interviews.Case study is used when the researcher wants to deli%erately coverconte#tual conditions.CS is an all encompassing method a comprehensive research strategy.

Multiple case study'Cases of study can include and even %e limited to "uantitative evidence(p.)*

+uantitative case study ,&ezin and incoln$ )*/.

Case studies can %e %ased on a mi# of "uantitative and "ualitative evidence.o need to include direct$ detailed o%servation as source of evidence p. )1

Case study "uestion

DESIGNINGesearch &esignTwo case designST4S

). Study "uestion

2. ropositions3. 5nits of analysis dependent over the research "uestion*. ogic lin6ing the data to the propositions1. Criteria for interpreting the 7ndings

&evelop or Test Theory89hat am : studying8

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9hy to study that89hat the : hope to learn as a result of the study8

Judge Quality of CaseConstruct validity multiple sources of evidence$ chain evidence$ 6ey

informant review draft case study report:nternal ;alidity e#planation %uilding$ address rival e#planation$ logicmodels84#ternal ;alidity replication logic in multiple case studies$ or use theory insingleelia%ility use case study protocol$ develop case study data%ase8 ,documentall the process/

< ,como lo hacen/=anagerial aspect in ?ournal of Cleaner roduction ,=endeley :rene/Como miden las e#ternalidades8

Multiple-case Holistic

The evidence fo! !ultiple cases is often consideed o"ust#Heiott $ %iestone& '()* as cited in +in&