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The UK’s most common format · Medicine & Dentistry

Master the Multiple Mini Interview

Excel in MMI stations with proven frameworks, expert coaching and realistic mock circuits for every UK medical and dental school.

~30

UK schools

6–10

Stations

5–8 min

Per station

80–120 min

Total circuit

The format

What is the MMI?

Understanding the station-based format that now dominates UK medical-school interviews.

The Multiple Mini Interview (MMI) is the most widely used interview format for medical and dental applications across the UK. Unlike a traditional panel, the MMI assesses you across a range of attributes and scenarios in a station-based, timed circuit.

You rotate through 6 to 10 stations, each lasting 5 to 10 minutes, with a short interval between them. Each station tests a distinct skill or value — communication, ethics, empathy, teamwork, problem-solving or motivation for medicine.

Station-based format

Rotate through independent stations — a weak performance at one never carries into the next.

The rationale

Why schools use the MMI

The MMI was developed at McMaster University in Canada and is now the dominant UK format — because many short, independent samples are fairer and more reliable than one long interview.

Fairer

A different, independent assessor scores each station, so no single interviewer’s first impression can dominate your result.

More reliable

Performance is scenario-specific. Sampling many short stations measures you far more reliably than one conversation.

Evidence-based

UK research has found the MMI to be one of the most consistent predictors of how students perform once at medical school.

Why it matters

Why MMI preparation matters

MMIs demand specific skills and strategies that differ from a traditional interview.

Station-specific skills

Each station type needs its own approach and communication style.

Time management

Structure a complete answer inside a tight 5–8 minute window.

Structured thinking

Master frameworks like SPIKES and the Four Pillars of Medical Ethics.

Scoring

How MMIs are scored

Understanding the mark scheme tells you exactly how to play the circuit.

Each station is marked by its own assessor on a standardised scale (often 1–5) across set domains, and the scores are added into one total — sometimes combined with your UCAT. Because stations are independent, one weak station is diluted by the rest.

One bad station rarely sinks you — but check the exceptions

Treat every station as a fresh start; assessors do not confer. The exception is schools that set a per-station minimum or use ‘red flag’ scores, where a single very poor station can still count against you. Reset emotionally, but never write a station off.

Station playbook

Key MMI station types & expert tips

The station types you'll meet on the circuit — what each one really tests, a worked example, and exactly how to approach it.

Role-play & communication

Most common

Empathy, active listening and clear, adaptable communication.

CommunicationEmpathyActor

You speak with a trained actor (or the assessor) — calming an upset patient, breaking bad news, or explaining something in plain English. How you say it matters as much as what you say.

Example station

Explain to a worried parent why their child needs a vaccination, then check they have understood.

How to approach

  • Treat it as a real conversation — ask, then genuinely listen.
  • Name the emotion and respond to it before you problem-solve.
  • Drop the jargon, signpost, and check understanding before you close.
SPIKES for bad news · ICE to explore concerns

Ethical scenarios

Very common

Balanced moral reasoning — the process, not the verdict.

EthicsReasoning

You reason through a dilemma with no clean answer — consent, confidentiality, capacity or resource allocation. Assessors score the quality of your thinking, not which side you land on.

Example station

A 15-year-old asks for contraception and does not want her parents told. What do you weigh up?

How to approach

  • Work through the four pillars and name where they conflict.
  • Argue both sides before you lean either way.
  • Anchor on patient safety, consent and capacity.
Four Pillars of Medical Ethics

Motivation & insight

Genuine, realistic motivation grounded in reflection.

MotivationReflection

Why medicine (or dentistry), and what you actually understand about the career — drawn out through your work-experience reflections rather than rehearsed lines.

Example station

What did your work experience teach you about the realities — not the glamour — of being a doctor?

How to approach

  • Swap clichés for specific, evidenced reflection.
  • Tie every point to something you saw, did or read.
  • For dentistry, be ready for "why dentistry, not medicine?"
Reflect with Gibbs' cycle

Teamwork & collaboration

Collaboration, listening and handling disagreement.

TeamworkLeadership

Sometimes a live group task, sometimes a discussion of a time you worked in a team. They watch how you contribute, bring others in, and respond when people disagree.

Example station

With another candidate, agree the order these items should go in — then give each other feedback.

How to approach

  • Contribute at natural pauses and invite quieter people in.
  • Say "I" for your own contribution, not just "we".
  • Keep any feedback specific and non-accusatory.
STAR for "tell me about a time"

Data & problem solving

Calm, structured analytical reasoning out loud.

AnalysisLogic

You are given a graph, table or unfamiliar problem and asked to make sense of it aloud. The reasoning is the point — not a memorised fact.

Example station

Here is a chart of disease incidence over 20 years — what does the trend suggest, and why might it be happening?

How to approach

  • Describe what you see before you interpret it; quote the actual numbers.
  • Work systematically and narrate your thinking.
  • Link your reading back to a clinical or public-health implication.

Personal-statement questions

Consistency between your application and your answers.

ReflectionConsistency

You are asked to expand on something you wrote. They are checking your application holds up — and that you can reflect on it, not just recite it.

Example station

You mentioned shadowing a GP — tell me about one specific moment and what it changed in your thinking.

How to approach

  • Know your statement inside out; research any term or paper you named.
  • Have a reflective example ready behind every claim.
  • Be honest — never inflate what you actually did.

Prioritisation & decisions

Safe, justified, flexible judgement under pressure.

JudgementSafety

You rank competing tasks or choices under a constraint, usually with no single right order. They want to hear safe, well-justified reasoning that adapts.

Example station

You are an FY2 who must leave in 30 minutes for an emergency. Put these five ward tasks in order and justify it.

How to approach

  • Plan before you speak; state your guiding principle (safety first).
  • Justify each choice by urgency, safety and impact.
  • Stay flexible if new information changes the picture.
Safety first · ABCDE when acute

Calculation & numeracy

Clinical maths — method earns marks, not just the answer.

NumeracyAccuracy

A short clinical-maths task under mild pressure — drug doses, infusion rates, unit conversions or BMI. You usually show your working to an assessor.

Example station

A child needs 0.3 mg of IM adrenaline, supplied as 500 micrograms/ml. What volume do you draw up? (0.6 ml)

How to approach

  • Slow down and read exactly what is being asked.
  • Show every step and convert units carefully.
  • Sanity-check the final figure before you commit.

Manual dexterity

Dentistry

Fine motor control and composure under time pressure.

DexterityComposure

A hands-on task — cutting, threading or shaping — often while you talk it through. Assessors reward control and composure, not a flawless result.

Example station

Using the scissors and paper provided, cut out a replica of this shape (tip: trace it lightly first).

How to approach

  • Read the full brief before you touch anything.
  • Work slowly and precisely; keep narrating what you do.
  • If it goes wrong, stay calm and recover — do not rush.
The 4 Cs — Calm, Control, Co-ordination, Communication

Current affairs & the NHS

Balanced awareness of healthcare issues at a lay level.

AwarenessBalance

A discussion of a healthcare issue — funding, workforce, prevention or technology. A measured, two-sided view beats a one-sided rant every time.

Example station

What do you think is the biggest challenge facing the NHS today? Is it ever appropriate for doctors to strike?

How to approach

  • Know a few topics in real depth rather than many shallowly.
  • Show both sides before offering a measured view.
  • Keep your facts current and stay non-partisan.

Toolkit

Frameworks that genuinely help

Internal scaffolds to structure answers — never recite them at the actor.

SPIKES

Setting, Perception, Invitation, Knowledge, Emotions, Strategy. For breaking bad news in a role-play.

Four Pillars

Autonomy, Beneficence, Non-maleficence, Justice. Name only the pillars genuinely in tension.

SPIES

Seek information, Patient safety, Initiative, Escalate, Support. For a struggling or unsafe colleague.

STAR

Situation, Task, Action, Result. For ‘tell me about a time’ stations only — make the Action yours.

ICE

Ideas, Concerns, Expectations. In any patient conversation, explore these before explaining.

Safety first

In prioritisation or acute scenarios, lead with patient safety, then act and escalate.

Get ready

Your preparation timeline

MMI rewards built skills, not memorised scripts — so start before the invites even arrive.

01

Before any offer

Build a question bank across station types and read ethics and NHS topics little and often — these can’t be crammed.

02

10–6 weeks out

Learn the format cold and research your specific schools. Learn frameworks (four pillars, GMC Good Medical Practice, NHS values), not scripts.

03

6–3 weeks out

Role-play with a partner: breaking bad news, an upset patient, explaining clearly. Re-read your personal statement.

04

3–1 weeks out

Run full mock circuits with a bell and unfamiliar interviewers to build stamina, and drill your timing.

05

Final days

Avoid cramming, confirm format and logistics, and test your tech if the MMI is online.

Pitfalls

Common mistakes to avoid

The avoidable errors that cost marks station after station.

Not reading the prompt fully in the short reading window.
Memorising answers word-for-word.
Rushing in without taking a few seconds to structure.
Over-running and getting cut off mid-sentence by the bell.
Carrying a bad station into the next one.
Being inauthentic or robotic in role-play.
Ignoring the actor’s cues and not listening.
Forgetting patient safety — white lies or false reassurance.
Not owning a mistake or giving accusatory feedback.
Weak eye contact from only ever practising in your head.

Logistics

On the day: the circuit & online MMIs

How the format runs, and how to handle it.

The circuit

  • Wait in a holding area, then rotate through stations on a bell.
  • Use reading time to plan your opening and your closing.
  • When the final bell rings, stop and move on — even mid-sentence.
  • Reset between stations: each one is a genuine fresh start.

Online MMIs

  • Know how transitions work (breakout rooms vs rejoining).
  • Look into the lens for eye contact; camera at eye level.
  • Light from the front, quiet private room, notifications off.
  • Test the platform beforehand and keep the admissions contact handy.

Where

Which schools use the MMI?

The MMI is the UK’s most common interview format — used by around 30 medical schools and most dental schools. A selection is mapped here; always confirm your school’s current format.

  • Aberdeen

    Scotland

  • Dundee

    Scotland

  • Edinburgh

    Scotland

  • Queen's Belfast

    Northern Ireland

  • Newcastle

    North East

  • Manchester

    North West

  • Liverpool

    North West

  • Leeds

    Yorkshire

  • Sheffield

    Yorkshire

  • Birmingham

    West Midlands

  • Nottingham

    East Midlands

  • Leicester

    East Midlands

  • Norwich (UEA)

    East of England

  • Cardiff

    Wales

  • Bristol

    South West

  • Plymouth

    South West

  • London

    KCL · Imperial · St George's

  • Brighton (BSMS)

    South East

Note: around 30 UK medical schools and most dental schools use the MMI — this is a selection. Always confirm your target school’s current format.

Step 5 of 5Interview simulator

Mock interviews built in your university's real format.

Pick your target medical or dental school and Prometheus assembles a mock in that school's documented format — MMI, panel or Oxbridge-style. Every station comes with real interview questions, likely follow-ups, a full marking rubric and annotated model answers, so nothing on the day catches you off guard.

  • Matched to your school’s documented interview format — MMI, panel or Oxbridge-style
  • 700 hand-written questions from the last three UK interview cycles (415 medicine, 285 dentistry)
  • Real marking rubrics with examiner guidance — annotated model answers in the free preview

Sources & official admissions information

We cross-check every interview guide against the school's own admissions guidance and the UK regulators.

  1. UCAT ConsortiumOfficial UCAT registration, test format, scoring methodology and free practice materials.
  2. General Medical Council (GMC) — approved UK medical schoolsStatutory regulator. Approved medical schools, the registered-doctor register, and fitness-to-practise standards.
  3. Medical Schools CouncilSelecting-for-excellence guidance, MMI principles, and an A–Z of UK medical schools.
Reviewed by Isaac Butler-King, medical student at the University of Glasgow. Last reviewed: .

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