Hi,

The short answer is Yes. Issue tree is a way of structuring your analysis which is a critical element towards success in a case interview.

However, I would like to say that it is more important to build a correct issue tree than to find one. The difference here lies in the approach you take. If you try to use standard fill-all frameworks, you will want to "find" the right issue tree from your memory (maybe a bit of customization after enough practice). However, each and every business scenario is unique and hence requires a unique approach. This means that you have to use a combination of your frameworks, experience, business acumen and above all the understanding of the situational context to arrive at the correct elements of the structure. You have to think from first principles to ask the right specific questions - this leads to an efficient and relevant issue tree.

So, please be careful in understanding that a framework is not a structure. Structuring is a skill developed with coaching and practice. It is a basic thinking tool all consultants use in their day-to-day work. Hence, it is a must for you to master it.

Another crucial point about issue trees which most candidates miss is their ability to present your thoughts. It is an excellent visual tool to present your thought process clearly and logically so that anyone can follow. This is another skillset an interviewer is looking for as they have to communicate the most complex of ideas to their Clients by simplifying them to their atomic levels. Thus, when you draw an issue tree well, it also shows that you will be able to communicate your thoughts clearly in a Client-specific situation. The added benefit is of course that you do not lose any of the points you have in your mind.

However, it requires time and rigorous practice to internalize. But once you crack this part, you can rest assured that you have already cracked 70% of your interview.

Hope this helps. All the best!