what’s a hypothesis

Issue Tree

Like a scientist uses an experiment to test a hypothesis, a consultant uses a framework called an issue tree. An issue tree lays out a set of logical conditions that, if proven correct, prove the hypothesis correct. The term “issue tree” comes from the way this framework looks when diagrammed on paper – like a [...]

The Perfect Hypothesis Opening Statement

What follows is a field report from a reader who just got a McKinsey offer, and my commentary on the perfect hypothesis opening statement. Field Report: I wanted to let you know that I received an offer from McKinsey as a non-MBA candidate. Thank you so much for all of your help throughout the process. There’s no [...]

Intuition and Structured Problem Solving in Case Interviews

Question: I appreciate your response and just had a quick opinion question. I spoke to a friend of mine, ex-Mckinsey consultant and interviewer. He said, when I asked him about casework and interviews, that there is a key that many people who employ solely the framework miss out on. It seems a bit different from [...]

The Importance of a Hypothesis in a Case Interview

Question: I will be interviewing with McKinsey next week. I’ve been watching the case interview video and it was extremely useful. However, regarding the business situation framework, I have a question. Yesterday I had my first case interview workshop in McKinsey. Two highlights from the workshop are: 1) Don’t ask too many questions or do [...]

What's a Hypothesis?

Question: What’s a Hypothesis? And Do I Need to Use One? Would you recommend to always to use and mention a hypothesis in a case? Are there some cases which are not suitable for a hypothesis or not suitable to mention? I ask this because imho sometimes its not that easy to formulate a hypothesis, [...]

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