Analysing your IQ
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A system's output is limited by its most constrained step.
Mental models are thinking tools. Bottleneck Analysis is one of the most powerful—used by successful founders, investors, and strategists to cut through complexity.
Identify the constraint and optimize it first—optimizing non-bottlenecks is wasted effort.
This model works because it strips away irrelevant detail and exposes the core structure of a problem. Most people reason by analogy ("what do others do?"); this framework forces you to think from first principles.
If meetings block deep work, better tools won't help until you fix calendar constraints.
This model is most useful when you're stuck. If your current approach isn't working, Bottleneck Analysis often reveals the hidden constraint.
Over-applying: Not every problem benefits from this model. Match the tool to the situation.
Under-applying: People learn the model but don't practice it. Application takes repetition.
Misunderstanding the principle: Surface-level understanding leads to poor execution. Study the examples.
Ignoring context: The same model works differently in different domains. Adapt accordingly.
Identify a current decision you're facing. Write down the assumptions you're making. Challenge each one.
Look at a past failure. Apply Bottleneck Analysis retroactively—would it have changed the outcome?
Teach the model to someone else. If you can't explain it simply, you don't understand it well enough.
Set a reminder to apply this model once per week for the next month. Track the results.
The best thinkers have internalized multiple mental models and apply them fluidly based on context.
Mental models require specific cognitive traits to execute. Do you have the Discipline for this?
A system's output is limited by its most constrained step.
Identify the constraint and optimize it first—optimizing non-bottlenecks is wasted effort.
If meetings block deep work, better tools won't help until you fix calendar constraints.
Use Bottleneck Analysis when facing complex decisions in the problem solving domain, when conventional approaches aren't working, or when you need a structured framework for analysis.
Bottleneck Analysis is used by strategic thinkers, business leaders, and anyone who needs to make high-stakes decisions under uncertainty. It's particularly popular in investing, startups, and engineering.
Yes. Mental models are learnable skills, not innate talents. The key is deliberate practice—actively applying the model to real decisions, not just reading about it.