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SBA Exam Technique: The Two-Pass Method (PLAB 1 + MLA AKT)

A repeatable, non-clinical workflow for Single Best Answer exams: pacing, flagging, second-pass decision rules, and post-paper learning loops.

Review date
Jan 2026
Reading time
9 min read
Author
Dr. Kola Tytler MBBS CertHE MBA MSt MRCGP
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Most people treat an SBA paper like a quiz. High scorers treat it like a system: minimise time sinks, standardise decisions, and turn the paper into a high-quality dataset for targeted revision. Your goal is not perfection — it is to maximise correct answers per minute, without triggering avoidable errors.

Why two-pass works

Two-pass strategies reduce opportunity cost: you bank the ‘fast marks’ first, then invest time only where it changes the outcome. This matches what we know from test-enhanced learning: repeated retrieval (attempt → feedback → re-attempt) builds durable recall more reliably than passive review.
1

Step 1 — Decide your paper budget (before you revise a thing)

Write down the exam structure and do the arithmetic. PLAB 1 is 180 SBA questions in 3 hours. The UK Medical School AKT is two 100-item SBA papers on sequential days. Convert this into a target seconds-per-question so you have a real pacing rule, not vibes.
2

Step 2 — Pass 1 = bankable marks only (no heroics)

On Pass 1 you answer only if you can decide within your pacing budget. If you cannot, you flag and move. This is not “giving up”; it is protecting your future self from spending 3 minutes to maybe gain 1 mark while losing 4 easy marks later.
3

Step 3 — Flag taxonomy (so your second pass is efficient)

Use three flag types: (A) “I know this but need 20 seconds”, (B) “I’m between 2 options”, (C) “I’m lost / needs re-learning”. On Pass 2 you do A then B. C becomes your error-log work after the exam — not during it.
4

Step 4 — Second-pass decision rule (kill 50/50 misery)

When stuck between two options, force a discriminating feature: what single detail would make one answer clearly wrong? If you can’t name that feature, you are guessing; guess fast, commit, move. Slow guessing is the most expensive behaviour in exams.
5

Step 5 — Post-paper loop (where your score actually improves)

Within 24 hours, review only flagged questions and misses. Write one line: (1) cue I missed, (2) discriminating feature, (3) the rule I will apply next time. That becomes your spaced retrieval prompt for the next 7–14 days.
SourceGMC: A guide to the PLAB test (PLAB 1 format)
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SourceMedical Schools Council: MS AKT Student Handbook 2026 (AKT format)
Open Link
SourceRoediger & Karpicke (2006): Test-enhanced learning (PubMed)
Open Link
SourceDunlosky et al. (2013): Evidence review of study techniques (PubMed)
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  • Write down the exam structure and do the arithmetic. PLAB 1 is 180 SBA questions in 3 hours. The UK Medical School AKT is two 100-item SBA papers on sequential days. Convert this into a target seconds-per-question so you have a real pacing rule, not vibes.

    Return to this section

  • On Pass 1 you answer only if you can decide within your pacing budget. If you cannot, you flag and move. This is not “giving up”; it is protecting your future self from spending 3 minutes to maybe gain 1 mark while losing 4 easy marks later.

    Return to this section

  • Use three flag types: (A) “I know this but need 20 seconds”, (B) “I’m between 2 options”, (C) “I’m lost / needs re-learning”. On Pass 2 you do A then B. C becomes your error-log work after the exam — not during it.

    Return to this section

  • When stuck between two options, force a discriminating feature: what single detail would make one answer clearly wrong? If you can’t name that feature, you are guessing; guess fast, commit, move. Slow guessing is the most expensive behaviour in exams.

    Return to this section

  • Within 24 hours, review only flagged questions and misses. Write one line: (1) cue I missed, (2) discriminating feature, (3) the rule I will apply next time. That becomes your spaced retrieval prompt for the next 7–14 days.

    Return to this section

Study methods · Article 13 of 48