案例研究设计与方法Case Study Research Design and Methods.docx
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案例研究设计与方法Case Study Research Design and Methods.docx
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案例研究设计与方法CaseStudyResearchDesignand
Methods
CaseStudyResearch.DesignandMethods(1994,Secondedition.ThousandOaks:
Sage)
ByRobertK.YinSummary
Generalcharacteristics
Whentousecasestudymethod?
1)Thetypeofresearchquestion:
typicallytoanswerquestionslike“how”
or“why”
2)Extentofcontroloverbehaviouralevents:
wheninvestigatorhas
a
little/nopossibilitytocontroltheevents
3)Generalcircumstancesofthephenomenontobestudied:
contemporary
phenomenoninareal-lifecontext
Casestudyisanempiricalinquiry,inwhich:
-Focusisonacontemporaryphenomenonwithinitsreal-lifecontext
&
boundariesbetweenphenomenonanditscontextarenotclearlyevident
Suitableforstudyingcomplexsocialphenomena
-Proceduralcharacteristicsinthesituationinclude:
Manyvariablesof
interest;multiplesourcesofevidence;theoreticalpropositionstoguidethe
collectionandanalysisofdata
-Typesofcasestudiesmightbe:
explanatory;exploratory;descriptive
-Designscanbesingle-ormultiple-casestudies
-Usedmethodscanbequalitative,quantitative,orboth
Typicalcriticismstowardscasestudies&correctinganswers:
-Lackofsystematichandlingofdata->Systematicreportingofallevidence
-Nobasisforscientificgeneralization->Purposeistogeneralizetotheoretical
propositions,nottopopulationasinstatisticalresearch
-Taketoolong,endupwithunreadabledocuments->Timelimits&writing
formuladependonthechoicesofinvestigatorsCasestudyresearchdesign
Centralcomponentsofacasestudydesign&theirfunctions:
1)Astudy’squestions–“how”,“why”
2)Study’s(theoretical)propositions–pointingattention,limitingscope,
suggestingpossiblelinksbetweenphenomena
3)Study’sunitsofanalysis–mainunitsmustbeatthesamelevelasthe
studyquestions&typicallycomparabletothosepreviouslystudied4)Logiclinkingthedatatothepropositions–matchingpiecesofinformationtorivalpatternsthatcanbederivedfromthe
propositions
5)Criteriaforinterpretingthefindings–iterationbetweenpropositions
anddata,matchingsufficientlycontrastingrivalpatternstodata;there
isnoprecisewayofsettingthecriteria1
Researchdesignlinksthedatatobecollectedandconclusionstobedrawntothe
initialquestionsofthestudy–itprovidesaconceptualframework&anactionplan
forgettingfromquestionstosetofconclusions.
Preliminarytheory&blueprintofthestudy:
havingsolvedthefivesteps
mentionedaboveleadstotheformationofaloosetheory&ablueprintrelated
tothetopicofstudy
-Initialtheory&understandingofwhatisbeingstudiedisnecessary
beforeanyfieldcontacts;thecompleteresearchdesignembodiesa“theory”
ofwhatisbeingstudied
Decidingbetweenexplanatory,exploratoryanddescriptivedesigns:
-Dependsontherichnessoftherivalpropositionsintheoriesrelatedtothe
topicofthestudy;richesttheoriesallowexplanatorydesigns
->Searchfortheoreticalpropositionsthatcanbeelaboratedtocoverstudy
questions,propositions,unitsofanalysis,data-propositionlinks&criteriaof
interpretation
->Reviewingliterature,discussingwithinvestigators,askingchallenging
questions,thinkingwhatistobelearnedfromthestudy
->Beingawareoftherangeoftheories&selectingtherequiredlevel
(individual,organization,societal)
->Constructionofthedesign/conceptualframeworktakestime&canbe
difficult,butisacrucialstepforthesuccessofthestudy
Selectionofthecases:
-Casesshouldbeselectedinthesamewayasthetopicofanexperimentis
selected
->Developedpreliminarytheoryisusedasatemplatewithwhichtocompare
thecharacteristics&empiricalfindingsfromthecase(s)
->Selectedcasesshouldreflectcharacteristics&problemsidentifiedinthe
underlyingtheoreticalpropositions/conceptualframework
Thelevelofgeneralizationofthestudyresults=appropriatelydeveloped
preliminarytheory/studydesign
-Modeofgeneralization=theory-relatedanalyticgeneralization,not
statistical
-AnalyticgeneralizationpossiblefromoneormorecasesHOWMANYOFCASES&UNITSOFANALYSIS?
1)Case–representssomehowtheinterestingtopicofthestudyempirically(e.g.
theroleoftheUnitedStatesintheworldeconomy)2)Unitofanalysis–istheactualsourceofinformation:
individual,
organizationaldocument,artifact,forexample(e.g.thecapitalflowbetween
countries,aneconomicpolicy)1)Cases:
A)Singlecases–ifcaseseemstorepresentacriticaltesttoexistingtheory;
rareoruniqueevents->Importanttoselectcase&unitofanalysisproperl
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