Appraisal of Research for Clinical & Health Evidence

An Evidence Integration Labs Initiative

Critical Appraisal
Simplified.

Evidence made easy for clinicians. Appraise RCTs, cohort studies, systematic reviews and more — step by step, with a downloadable PDF report.

Start Appraisal → Read the Guide
Study Designs

What can you appraise with ARCHE?

Structured checklists for every major study design — drawn from established CASP methodology and the ROBUST-ML framework for machine learning.

⚗
Randomised Controlled Trial
Gold standard for evaluating treatments — 10 CASP questions
Level 2 · Experimental
👥
Cohort Study
Tracking groups forward in time to assess risk and outcomes — 10 questions
Level 3 · Observational
🔀
Case-Control Study
Comparing cases to controls to identify exposures — 9 questions
Level 4 · Observational
📸
Cross-Sectional Study
Measuring prevalence and associations at a single point — 10 questions
Level 4 · Observational
🔬
Diagnostic Accuracy
Evaluating tests using sensitivity, specificity, and LRs — 12 questions
Level 3 · Observational
📚
Systematic Review & Meta-Analysis
Synthesising all available evidence with GRADE assessment — 10 questions
Level 1 · Observational
🤖
Machine Learning Study
Appraising clinical ML models with the ROBUST-ML checklist — 30 questions
Level 3 · Computational
How It Works

Four steps to a complete appraisal

1
Identify Article Type
Choose Experimental or Observational to narrow down your study design options.
2
Choose Study Design
Select the specific design (RCT, Cohort, Systematic Review, etc.) to load its checklist.
3
Answer Guided Questions
Work through Yes / Maybe / No questions with built-in guidance tips for each item.
4
Download PDF Report
Get a structured appraisal report with your evidence strength score and full answer summary.
7
Study Designs Supported
91
Total Appraisal Questions
GRADE
Systematic Review Grading
Who Is ARCHE For?

Built for clinicians at every stage

Medical Students
Learning evidence-based medicine and building critical appraisal skills from the ground up.
Postgraduate Researchers
Conducting systematic literature reviews and needing structured, repeatable appraisal tools.
Practising Clinicians
Appraising studies for real practice decisions — fast, on any device, no login required.