control groups
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Preprint The control gap in long COVID research: a meta-epidemiological analysis, 2026, Panagiotopoulos, Ioannidis+
The control gap in long COVID research: a meta-epidemiological analysis OBJECTIVES To quantify the frequency of baseline control-group use in published long COVID prevalence studies and assess their key methodological features. DESIGN Cross-sectional meta-epidemiological evaluation of...- SNT Gatchaman
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- control groups ebm evidence based medicine self reporting
- Replies: 0
- Forum: Long Covid research
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How to prove that your therapy is effective, even when it is not: a guideline, 2015, Cristea & Cuijpers
How to prove that your therapy is effective, even when it is not: a guideline https://pmc.ncbi.nlm.nih.gov/articles/PMC7137591/ Aims. Suppose you are the developer of a new therapy for a mental health problem or you have several years of experience working with such a therapy, and you would...- rvallee
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- control groups critical randomised trial researcher allegiance risk of bias
- Replies: 17
- Forum: Research methodology news and research