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Why item response theory should be used for longitudinal questionnaire data analysis in medical research
BACKGROUND: Multi-item questionnaires are important instruments for monitoring health in epidemiological longitudinal studies. Mostly sum-scores are used as a summary measure for these multi-item questionnaires. The objective of this study was to show the negative impact of using sum-score based lon...
Shranjeno v:
| izdano v: | BMC Med Res Methodol |
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| Main Authors: | , , |
| Format: | Artigo |
| Jezik: | Inglês |
| Izdano: |
BioMed Central
2015
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| Teme: | |
| Online dostop: | https://ncbi.nlm.nih.gov/pmc/articles/PMC4520067/ https://ncbi.nlm.nih.gov/pubmed/26224012 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1186/s12874-015-0050-x |
| Oznake: |
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