Not improving at case interviews

Hi,

I'm preparing for case interviews and I feel like I'm not improving. Last year I interviewed for MBB, and I bombed all my first round interviews. Before those interviews, I did 30+ live practice cases on prep lounge. I used Victor Cheng's video tutorials and LOMS. And I skimmed through Case In Point. And I still sucked in the real interviews. I just feel really slow during the cases, it takes me a long time to think of questions to ask, and I don't feel like I reach the insight needed to get the answer.

This time around, I've skimmed again through Case In Point, and developed my own framework. I've read through the practice cases in CiP and I feel like in a real case there would be no way I could digest so much info at once. And I still feel like I really suck at cases and I'm not improving.

I guess I am looking for advice? On how to actually improve? I feel like nothing is helping, even when I did live cases last year on PrepLounge I didn't feel like I was improving.

Thank you in advance!!

 

It's a misconception that 'practice makes perfect'. Actually 'practice makes permanent', it sounds as if you are not practicing well. Some suggestions:

  • Are you recording feedback from these practice interviews? Have you focused on rectifying the problems identified?
  • What do you mean 'too much info'?. The frameworks mean that you should be able to quickly identify the most relevant factors and then it's a case of hanging the information you are given off that framework.
  • It's also interesting to hear you 'feel slow'. The way a case should work is you outline your structure at the start and then follow it. Are you doing this? Maybe a more structured approach would help?
 

Hey thank you for the response!

  • Some of my feedback would be that I'm not structured enough, and I'm not sure how to improve that? What I've been doing now is trying to be more familiar with my frameworks

  • By 'too much info' I feel like there's so much qualitative and quantitative info to remember and take in during a case

  • 'Feel slow'- I find it hard to quickly think of new questions based on new info I receive, and combining all the info I do get into a valuable insight

 

Sounds to me like you have a structure issue. Either you have not learnt them (unlikely) or you haven't 'internalised' them (i.e. they are still an abstract concept to you). Also if you are getting criticism about structure that means either you don't start with a structure or you don't follow what you layout - which is it?

You are aware of the whole 'consultants think in MECE issue trees'? For cases, the structures are just convenient issue trees. The idea being with a few questions you can prioritise which branches to look at.

Perhaps another aspect of your issues are that you are trying to match the 'perfect' examples. I have only read CiP but it seems to me that it starts at an advanced level. You could try to concentrate on just solving the basic case and, only once you are comfortable with those, try getting the 'bonus points'.

 

I haven't trained for these interviews but I think that my advice applies nontheless: Quality over quantity - Learn something new each time you practice instead of just going at it again and again. Write down where you had problems. Figure out why. Work to improve it for your next session.

Chin up - Don't be too hard on yourself when you fail something you should have known. Focus on why you failed, work on all your weaknesses.

Reassess - After you've practiced a number of times, go through your notes and see where you improved and where you keep failing. Keep working on your weaknesses, but also dig even deeper and figure out WHY you are repeating your mistakes.

Finally, try not to be too nervous or overwhelmed. Take a deep breath, try to concentrate. With time you should become better at sorting out relevant information and working under pressure.

 

Just doing a high number of cases doesn't contribute to any amount of success unless those practices are high quality ones in which you receive meaningful feedback and actually attempt to improve based on that feedback. I have found that most candidates only require around 10 quality practice case sessions to feel prepared for their interviews. The best practice partner for cases aren't your peers that are also going through recruiting, they are people that have already been successful in the recruitment process like current analysts at MBB. With that said, here is some general advice for case interview prep: - Break the case interview into its components: framework, reading figures, market sizing, quantitative questions, creativity questions, and synthesis/recommendation. Most people are good at some of these components and bad at the others. Instead of doing 50 cases where you struggle with the same components, figure out what you're good at and what you're bad at. Work on improving your weaknesses. If you're bad at math, doing 50 cases where you keep messing up math is not helpful. Instead, you should have tailored practice for your math skills before doing more cases. - Keep a case journal of every case that you've done and all of your learnings from each case. Candidates that I have coached found that reading through this before doing each new case and 1-2 hours before their interviews was incredibly beneficial. - Develop a structured way of thinking. The biggest thing that sets extraordinary candidates from just "well-practiced" ones is the ability to incorporate structure into their thinking. This isn't something that comes naturally. This is something that comes with consistent, purposeful practice. You should get to a point where you are able to make new, flexible frameworks for every new case problem and also communicate your answers to questions (even creativity and math questions) in a structured way. - Practice with people that know they're doing. Again, the number of cases doesn't matter. It's the quality of the practice. Run one case with an analyst that works at MBB and you'll realize that their feedback was probably much more helpful than you running 10 cases with a friend.

 

Preplounge and practicing with peers is tricky - they will not give you a right feedback. Some of these interviews is actually not even useless - they are harmful for your real life interviews. I learned that the hard way last year.

Write down your feedback from the MBB interviews, read Case in Point thoroughly, practice with consultants (there are several good websites for that), practice your structuring and chart-reading skills on rocketblocks.me

 

Since you mentioned that structuring is one of your problem; I'll try to share as it's one of my prior feedback too:

  • Try to learn more about different industries - familiarity helps you to prioritise different drivers to include in your framework.
  • Practice creating frameworks spontaneously on daily decisions on where to eat, up to cases included in news - this will help you to think quickly (and creatively) and it really helped me for my case interviews.

Goodluck! I can share a resource on industries - just PM me.

 
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