Introduction In cluster randomised trials (CRT), groups (rather than individuals) are randomised to intervention and control conditions. Since the publication of the Ottawa Statement on the Ethical ...

When Medicare coverage for a drug, device, or other medical technology is conditioned on additional evidence development, several important policy questions arise: What will be the utility of the ...

A new study introduces the first step-by-step methodological guide for conducting umbrella reviews in education, addressing a major gap in evidence synthesis. Combining theory with a real case study ...