Appraisal of Research for Clinical and Health Evidence
ARCHE is a comprehensive tool designed to help you critically appraise research articles step by step. Whether you're a student, researcher, or healthcare professional, ARCHE guides you through identifying article types, choosing study designs, and performing detailed appraisals.
Our mission is to make evidence-based decision-making accessible and straightforward.
What Can You Appraise with ARCHE?
ARCHE supports structured critical appraisal of a wide range of study designs, including:
- Randomised Controlled Trials (RCTs) — the gold standard for evaluating treatments
- Cohort Studies — tracking groups over time to assess risk and outcomes
- Case-Control Studies — comparing cases and controls to identify exposures
- Cross-Sectional Studies — measuring prevalence and associations at a single point
- Systematic Reviews & Meta-Analyses — synthesising evidence with GRADE assessment
- Diagnostic Accuracy Studies — evaluating tests using sensitivity, specificity, and LRs
- Qualitative Research — appraising interviews, focus groups, and thematic analyses
How It Works
- Select whether your article is Experimental or Observational
- Choose the specific study design
- Answer guided Yes/No/Maybe questions drawn from established CASP checklists
- Download a structured PDF appraisal report with an evidence strength score
Who Is ARCHE For?
ARCHE is designed for medical students learning evidence-based medicine, postgraduate researchers conducting literature reviews, and clinicians appraising studies for practice decisions. It is freely accessible on any device, no login required.
Start Critical Appraisal