Archival research - Reliability and validity in archival research
7 important questions on Archival research - Reliability and validity in archival research
How to solve the problem that data is missing?
- Listwise deletion
- Mean-substitution --> replace missing value for observation i and variable j or take the average value on variable j for all other observations
What is inaccurately recorded data?
How to solve inaccurately recorded data?
- Remove the inaccurate observations (run analysis with and without the observation)
- Trim / truncate (in large data sets) remove a fraction of observations
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How to include multi-item measures in archival research?
- Arbitrarily pick one of the measures
- Create a composite mesaure
- Should be interrelated > calculate cronbach's alpha
What is measurement validity in archival research?
How to improve internal validity in archival research?
How to make sure the external validity is secured in archival research?
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