Types of data and data sources.pdf

BUSINESS RESEARCH METHODS

1. Chapter -5
DATA TYPES AND SOURCES
TEXT BOOK: RESEARCH
METHODOLOGY-CHAWLA D.,
SONDHIN.

2. SOURCES OF DATA
DATA SOURCES
SECONDARY METHODS PRIMARY METHODS
INTERNAL EXTERNAL
Fully
Processed
Need Further
Analysis
Syndicated
Sources
Electronic
Database
Published

3. CLASSIFICATION OF DATA
Primarydataisoriginal,problemorprojectspecificand
collectedforthespecificobjectivesandneedsspeltoutbythe
researcher.Theauthenticityandrelevanceisreasonablyhigh.
Secondarydataisinformationthatisnottopicalorresearch
specificandhasbeencollectedandcompiledbysomeother
researcherorinvestigativebody.Itisrecordedandpublishedin
astructuredformat.

4. USES OF SECONDARY DATA
Problemidentificationandformulationstage:pastdataand
informationonthetopicunderstudy.Canbeextremelyuseful
indevelopingaconceptualframeworkforinvestigation.
Hypothesesdesigning:earlierworkdoneonthetopicand
marketdataaswellasindustrytrendsandmarketfacts.
Couldhelpindevelopingassumptionsthatcanbetranslated
intotestablehypothesesforthestudy.
Samplingconsiderations:respondent-relateddatabasesare
importantsourcesofrespondentstatisticsandrelevant
contactdetails.
Primarybase:canbeusedtodesignquestionnairesforthe
primarystudy.
Validationandauthenticationboard:earlierrecordsand
studiesaswellasdatapools.Canalsobeusedtosupportor
validatetheinformationcollectedthroughprimarysources.

5. BENEFITS OF SECONDARY DATA
Resource advantage
Accessibility of data
Accuracy and stability of data
Assessment of data

6. DRAWBACKS OF SECONDARY DATA
Applicabilityofdata:thepurposeforwhichtheinformation
wasearliercollectedwasuniquetothatstudyandthusthe
informationmightnotbeabsolutelyapplicableorrelevantfor
thecurrentstudyobjective.
Accuracyofdata:thesourceanddatacredibilityisaserious
issueofconcernwhenusingpastdataandrecords.

7. AUTHENTICATION OF SECONDARY DATA
Methodologycheck:intermsofsamplingframeused,data
collectiontoolsandmethodsofanalysisandhypotheses
testing
Accuracy check: establishing source credibility.
Misrepresentationofdata
Topicalcheck:recencyoffindingsandsimilarityofthe
environmentunderstudywithpaststudy
Financialcheck:thecostofaccessingpastorrecordeddata
intermsoftherelevanceforthestudy

8. INTERNAL DATA SOURCES
Companyrecords:historicalaswellascurrentmanufacturing
information,processandpolicydocuments
Employeerecords:demographic datasets,performance
appraisals&grievancedata
Salesdata:cashregisterreceipts,salespersonscallrecords,
salesinvoicesandsalesreports
Othersources:customerdatabases,CRMdata,warranty
records,etc.

9. EXTERNAL DATA SOURCES
Publisheddata:datathatisinonpublicdomains,whichcouldbe
compiledbypublicorprivatesources
Governmentsources:censusdata,otherdocumentedand
availablegovernmentpublications
Otherdatasources:essentiallynon-governmentsourceslike
books,periodicals,guidesanddirectories,Indicesand
standardizednon-governmentstatisticaldata

10. Refer in-class discussed online data bases
Refer text book pages 106,107 & 108
SOURCES