MMI Guide

Multiple Mini Interviews โ€” understand the format, master the stations, and walk in prepared.

What to expect on the day

An MMI typically consists of 6โ€“12 stations arranged in a circuit. You spend 5โ€“10 minutes at each station, then a bell or buzzer signals you to move to the next. A new assessor meets you at each one.

Before each station, you'll have 1โ€“2 minutes reading time to review the brief on the door. Use this time to organise your thoughts โ€” not to memorise a script.

The biggest MMI advantage: A poor performance at one station does not carry over to the next. Every station is a fresh start with a new assessor.

What assessors are looking for

  • โ†’Communication clarity and empathy
  • โ†’Logical and structured thinking
  • โ†’Ethical reasoning under pressure
  • โ†’Self-awareness and reflection
  • โ†’Teamwork and leadership qualities
  • โ†’Resilience and composure

MMI at a glance

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Stations

6โ€“12 stations per circuit

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Station length

5โ€“10 minutes each

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Reading time

1โ€“2 minutes per station

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Assessors

One new assessor per station

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Scored on

Defined competency rubric

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Timing

Bell or buzzer between stations

Common MMI station types

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Role-play / Communication

You are given a scenario (e.g. breaking bad news, dealing with a distressed colleague) and must interact with an actor or assessor playing a role. Focus on active listening, empathy, and clear communication.

Tip: Don't rush. Listen before you speak. Use the person's name. Acknowledge emotions before moving to solutions.

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Ethical Dilemma

A scenario presents a moral conflict. You must reason through competing values โ€” patient autonomy, beneficence, justice, non-maleficence โ€” and reach a balanced position.

Tip: Use the four pillars of medical ethics (BABB) as a framework. Acknowledge complexity โ€” there is rarely a single "right" answer.

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Motivation & Reflection

Why medicine? Why this school? Tell me about a challenge you've overcome. Straightforward but requires genuine self-awareness and specific examples.

Tip: Use specific, personal examples. Avoid clichรฉs like "I want to help people." Demonstrate genuine reflection.

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Data Interpretation

You're given a graph, table, or written data to analyse and explain. Tests scientific literacy and ability to communicate findings to a non-expert.

Tip: Label axes first, note trends, consider limitations. Speak through your reasoning aloud.

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Written Station

Some schools include a written station โ€” summarising information, making an argument, or completing a task in writing. Rare but possible.

Tip: Structure clearly: introduction, 2โ€“3 points, conclusion. Legible handwriting matters.

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Group Discussion

Multiple candidates discuss a topic together while assessors observe. Assessed on contribution quality, listening, building on others' points.

Tip: Make at least 2โ€“3 substantive contributions. Include others. Don't dominate โ€” or disappear.

Sample MMI questions by type

Use the relevant framework (ethics: BABB; communication: listen first, acknowledge, respond; motivation: specific example with reflection). Practice your answer aloud under a timed 7-minute limit.

Use the relevant framework (ethics: BABB; communication: listen first, acknowledge, respond; motivation: specific example with reflection). Practice your answer aloud under a timed 7-minute limit.

Use the relevant framework (ethics: BABB; communication: listen first, acknowledge, respond; motivation: specific example with reflection). Practice your answer aloud under a timed 7-minute limit.

Use the relevant framework (ethics: BABB; communication: listen first, acknowledge, respond; motivation: specific example with reflection). Practice your answer aloud under a timed 7-minute limit.

Use the relevant framework (ethics: BABB; communication: listen first, acknowledge, respond; motivation: specific example with reflection). Practice your answer aloud under a timed 7-minute limit.

Use the relevant framework (ethics: BABB; communication: listen first, acknowledge, respond; motivation: specific example with reflection). Practice your answer aloud under a timed 7-minute limit.

Use the relevant framework (ethics: BABB; communication: listen first, acknowledge, respond; motivation: specific example with reflection). Practice your answer aloud under a timed 7-minute limit.

Use the relevant framework (ethics: BABB; communication: listen first, acknowledge, respond; motivation: specific example with reflection). Practice your answer aloud under a timed 7-minute limit.

How MMI scoring works

Each station has a specific rubric tied to the competency being assessed. Assessors mark you on a Likert scale (e.g. 1โ€“7 or 1โ€“10). Your final MMI score is the aggregate of all station scores.

Global scores matter too. Most MMIs include a "global impression" rating at each station โ€” this reflects the assessor's overall sense of you as a future doctor, beyond the specific rubric.

What boosts your score

  • โ†‘Structured, clear responses
  • โ†‘Active listening and empathy
  • โ†‘Acknowledging complexity and nuance
  • โ†‘Self-awareness and genuine reflection
  • โ†‘Composure under pressure
  • โ†‘Making ethical reasoning explicit

Common mistakes

  • โ†“Speaking without thinking
  • โ†“Leaping to a conclusion in ethics questions
  • โ†“Ignoring the emotional dimension of scenarios
  • โ†“Rushing through without listening
  • โ†“Generic answers without personal examples
  • โ†“Running out of things to say after 2 minutes

How to prepare for the MMI

1

Learn the four pillars of medical ethics

Autonomy, Beneficence, Non-maleficence, Justice. These underpin almost every ethical question. Know how to apply them โ€” not just recite them.

2

Read the GMC's Good Medical Practice

This document defines the standards expected of UK doctors. Interviewers often test whether your values align with it.

3

Stay informed on NHS current affairs

Read The BMJ, HSJ, or even the BBC health section weekly. Know the key issues: workforce shortages, waiting lists, mental health provision, integrated care systems.

4

Practice aloud โ€” not just in your head

MMI performance degrades without spoken practice. Simulate stations with a friend, family member, or a timer. Record yourself. It's uncomfortable but transformative.

5

Do mock MMI circuits

Some schools and tutoring services offer full mock MMI circuits. If you can access one, do it. Even self-organised mocks with friends are valuable.

6

Reflect on your work experience concretely

Don't say "I observed an empathetic doctor." Say "I watched Dr. X sit at eye level with an elderly patient who was frightened, and explain her diagnosis slowly, checking understanding at each step. That showed me what compassionate communication looks like in practice."