Research
Delphi technique/study: aims to generate consensus (consensus guidelines)
Double-blinded randomised placebo-controlled study (Gold standard for therapeutic trial)
Meta-analysis (gold standard for evidence based guidelines)
PICO to assess studies
Population
Intervention
Comparator
Outcome
Double-blinded randomised placebo-controlled study (Gold standard for therapeutic trial)
Meta-analysis (gold standard for evidence based guidelines)
PICO to assess studies
Population
Intervention
Comparator
Outcome