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Research Methods - Primary & Secondary Data: - Coggle Diagram
Research Methods - Primary & Secondary Data:
Primary Data:
Current data - validity increases
Collected by the researcher
Time-consuming and expensive
Reliable as the researcher can replicate the exact methods
data taken from the exact target population
Sample size limited as probably only 1 researcher - lacks representative
Secondary Data:
Advantages:
Representative - as its bigger sample size e.g comparisons over time
Larger budget - may permit longitudinal
Huge time/money saver
Disadvantages:
Likely to be dated
May not be as specific as the researcher needed
Is there agenda behind data - provenance
Scott - when considering S data 4 criteria should be used:
Authenticity: (2 aspects - soundness & authorship)
Soundness - is document complete & reliable
Authorship - concerns who wrote the doc - many docs not actually produced by those who they are attributed to e.g PM signs doc they didn't write
Credibility:
Amount of distortion in document (distortion may relate to sincerity or accuracy)
Representativeness:
Researcher must be aware of how typical or untypical docs are - in order to assign limits to conlusions drawn
2 factors limit possibility of using rep documents - survival (deteriorate with age) & availability (deliberately withheld from researcher/ public by gatekeepers)
Meaning:
Ability of researcher to understand doc e.g doc may be written in foreign language