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McKinsey PEI answers : how long should I speak ?

Hey there, 

I was wondering how long I should spend speaking on my answers for the Personnal Experience Interview questions at McKinsey ? 


I heard I should expect very specific questions based on one of their three core values, but I am wondering if I should briefly use the PARADE structure of Victor Cheng to explain what I did briefly and then let the interviewer dive into specific parts, or instead if I should try to speak longer and be very exhaustive in my answer. 
Many thanks for your help, 

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Top answer
Vlad
Coach
edited on Oct 26, 2017
McKinsey / Accenture Alum / Got all BIG3 offers / Harvard Business School

The length is related to your story and additional questions your interviewer may ask. 

I recommend using the STAR framework:

  • In Situation, you should briefly provide the context, usually in 1 or 2 sentences
  • Task usually includes 2 or 3 sentences describing the problem and your objective.
  • Then you provide a list of specific actions you took to achieve the goal. It should take 1 or 2 sentences per action (Usually 3-4 actions). Note that the interviewer can stop you any minute and ask for more details.
  • The results part should have 1 or 2 sentences describing the outcomes. This part is finalizing your story - make sure it can impress the interviewer and stay in the memory.

It is important that the Interviewers will drill down into your story to understand the dynamics, your reactions and decisions and most of all the rationale behind them. They will follow up with other questions as you tell your story to make sure they understand it in enough detail. I recommend to prepare for these additional questions in advance.

Best,

Vlad

Alberto
Coach
on Sep 30, 2023
Ex-McKinsey Partner | Most experienced coach (15 years exp, +2.000 real interviews) | 95% success rate

Hi there,

Interviewers at McKinsey will generally lead you through the process and timing. In general:

  • Look for good stories on each dimension and make sure they have a strong outcome / achievement
  • Start giving 1 minute overview of the situation and the big steps you took to solve it
  • From there you can ask your interviewer if he/she wants more context of would like to focus on a specific part

Best,

Alberto

edited on Aug 18, 2020
#1 Coach for Sessions (4.500+) | 1.500+ 5-Star Reviews | Proven Success: ➡ interviewoffers.com | Ex BCG | 10Y+ Coaching

Hi Anonymous,

I agree with Vlad; in general 3-4 minutes per answer should be fine; normally this is a sufficient time per question for a good application of the STAR method.

If you feel you could add value with additional details, I would recommend offering the interviewer the opportunity to dig deeper, rather than continue with a longer monologue (eg. “I would also be happy to detail how I applied this skill in my next project if interesting for you”).

Best,

Francesco

Clara
Coach
on May 15, 2020
McKinsey | Awarded professor at Master in Management @ IE | MBA at MIT |+180 students coached | Integrated FIT Guide aut

Hello!

On top of the insights already shared in the post, next week will be pusblished in PrepLounge´s Shop material related.

In concrete, the "Integrated FIT guide for MBB". It provides an end-to-end preparation for all three MBB interviews, tackling each firms particularities and combining key concepts review and a hands-on methodology. Following the book, the candidate will prepare his/her stories by practicing with over 50 real questions and leveraging special frameworks and worksheets that guide step-by-step, developed by the author and her experience as a Master in Management professor and coach. Finally, as further guidance, the guide encompasses over 20 examples from real candidates.

Here I leave you the link > https://www.preplounge.com/en/shop/tests-2/integrated-fit-guide-for-mbb-34

Feel free to PM me for disccount codes!

Hope you find it useful!

Best,

Clara

on Oct 26, 2017

You should talk for about 5-10 minutes, depends on years of experience. Then allow the interviewer to ask some follow up questions. Also it should be done in very structual way.

Good luck!

1
on Oct 26, 2017
Talk for 10 minutes? You understand how long that is?
Deleted
Coach
on Jul 24, 2020
Professional full-time coach|50+ happy clients in 12 months|Ex Roland Berger PM & Recruiter|Networking to get interviews

Dear A,

PEI part takes usually 15 min, so arrange your time and your stories that each of them has up tp 3-5 min according to PARADE or STAR structure. 

Best,

André

Florian
Coach
on Aug 17, 2021
1400 5-star reviews across platforms | 600+ offers | Highest-rated case book on Amazon | Uni lecturer in US, Asia, EU

Hey there,

I have written a detailed insider perspective on the PEI that covers all aspects and will help you prepare strong stories here: https://www.preplounge.com/en/mckinsey-pei

Cheers,

Florian

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