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Critical Appraisal

The Critical Appraisal section catches out clinical doctors more than any other part of the FRCEM SBA — not because it's hard, but because it's tested differently from the rest of the paper. This category gives you the focused, exam-ready stats and study-design knowledge needed to score full marks. Inside you'll find a structured guide to passing the FRCEM Critical Appraisal section, a plain-English explanation of p-values, confidence intervals, and the common biases tested, and a breakdown of the most common Critical Appraisal SBA questions with worked examples. You don't need to be a methodologist — you need to recognise study designs, interpret CIs and p-values correctly, spot the half-dozen biases the exam loves, and apply a small set of statistical concepts under time pressure. These guides give you exactly that.

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Critical Appraisal

GRADE & Certainty of Evidence

EM FINAL EXAMS Critical Appraisal · Evidence synthesis GRADE & Certainty of Evidence A structured system that rates how much we can…

emfinalexams3 min
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Critical Appraisal

Systematic Review

EM FINAL EXAMS Critical Appraisal · Evidence synthesis Systematic Review A structured, reproducible review that answers one focused question using an explicit,…

emfinalexams3 min
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Critical Appraisal

Meta-Analysis

EM FINAL EXAMS Critical Appraisal · Evidence synthesis Meta-Analysis Statistically pooling several studies into one weighted summary estimate — the optional number-crunching…

emfinalexams3 min
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Critical Appraisal

Quantitative vs Qualitative Research

EM FINAL EXAMS Critical Appraisal · Study design Quantitative vs Qualitative Research Counting to test a hypothesis versus exploring meaning to understand…

emfinalexams3 min
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Critical Appraisal

Factorial Design

EM FINAL EXAMS Critical Appraisal · Trial design Factorial Design One trial that tests TWO interventions at once by randomising each independently…

emfinalexams3 min
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Critical Appraisal

Observational vs Experimental Studies

EM FINAL EXAMS Critical Appraisal · Study design Observational vs Experimental Studies Experiments ASSIGN the exposure (the investigator randomises); observational studies merely…

emfinalexams3 min
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Critical Appraisal

Cluster RCT

EM FINAL EXAMS Critical Appraisal · Trial design Cluster RCT Randomises GROUPS — wards, hospitals, GP practices, ambulances — rather than individual…

emfinalexams3 min
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Critical Appraisal

Stepped-Wedge Design

EM FINAL EXAMS Critical Appraisal · Trial design Stepped-Wedge Design A cluster trial in which every cluster eventually gets the intervention —…

emfinalexams3 min
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Critical Appraisal

Non-Inferiority & Equivalence Trials

EM FINAL EXAMS Critical Appraisal · Trial design Non-Inferiority & Equivalence Trials Tests whether a new treatment is NOT UNACCEPTABLY WORSE (non-inferiority)…

emfinalexams3 min
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Critical Appraisal

Crossover Trial

EM FINAL EXAMS Critical Appraisal · Study design Crossover Trial Each participant receives BOTH treatments in sequence and acts as their own…

emfinalexams3 min

Stop reading. Start revising.

Put the strategy into practice with 40,000 explained SBAs and 20 timed mocks.

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