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Not given time to come up with a structure

Anonymous A asked on Jan 23, 2019

Hi there,

I have been to a couple of interviews (BCG, McKinsey etc.), and during a few of these interviews I feel that I am not given the possibility to come up with a structure. It will go down something like this: Regular case presentation (e.g. cost reduction for train company), and then without stopping (and giving me the opportunity to ask clarifying questions, objectives and come up with a structure) the interviewer asks a brainstorming question.

Typically, I hesitate a little, ask the most important clarifying questions, ask for time to come up with ideas for the brainstorming and then present it. After that the interviewer typically wants to dig deeper into the different ideas I had, and we never get back to writing up a structure for the case.

How should I handle situations like this? Could it be that the brainstorming question indicates that we are only focusing on that particular issue that the brainstorming indicates (and that the structure for the brainstorming question in a way becomes the issue tree for the case)? Should I just go with the flow and forget the issue tree (like I've done)? Should I ask if the interviewer want me to draw up a structure for the case before I answer the brainstorming question?

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Sidi
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updated his answer on Jan 23, 2019
McKinsey Engagement Manager & BCG Consultant | Interviewer at McK & BCG for 7 years | Coached 90+ candidates secure MBB offers
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Hi Anonymous,

the basic rule is: you follow the guidance of the interviewer! So if he immediately asks you a brainstorming question (and these questions typically indeed aim at you coming up with a structure that covers the deep dive areas which the interviewer wants to discuss later on), then you do the following:

  • Say something like: "Interesting question. Let me quickly check whether I have completely grasped all information that you just conveyed." --> then check wheter all is clear. If not: "Before adressing your question I need to clarify two points: ..."
  • After clarifying you state: "Okay now all is clear. I'd like to take an instant to think about all the relevant aspects to consider in order to answer your question" --> take time, outline your approach, and then walk the interviewer through your thinking.

If the interviewer then wants to directly deep dive into one ore several areas - just follow his guidance. You have already defined the structure which will guide the rest of the case.

Typically, such cases are much easier than "classical" candidate-led cases if you have properly learned how to approach and navigate through business problems. Essentially, the "issue prioritization" aspect is outsourced to the interviewer, which reduces the complexity of your task.

However, one caveat to be aware of: when learning cases, candidates have to lead. It is practically impossible to build robust case skills by focusing the practice on the candidate-led style. Once your case muscle is properly built, then interviewer-led cases are not a problem either.

Cheers, Sidi

(edited)

Vlad replied on Jan 24, 2019
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Hi,

Obviously, the brainstorming question requires the structure as well. The key thing here is that you hesitate to ask for time and hesitate to ask the clarifying questions. You should solve it for yourself.

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