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Third, enumerating the frequencies explicitly helps…

“Third, enumerating the frequencies explicitly helps everyone recognize which decisions depend upon which user set properties. Even this sort of informal sensitivity analysis is valuable. When it develops that very important decisions are hinging on some particular guess, then it is worth the cost…” quote by Frederick P. Brooks Jr
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““Third, enumerating the frequencies explicitly helps everyone recognize which decisions depend upon which user set properties. Even this sort of informal sensitivity analysis is valuable. When it develops that very important decisions are hinging on some particular guess, then it is worth the cost to establish better estimates for that value.””

Frederick P. Brooks Jr

About This Quote

This interpretation was drafted with AI assistance. It is one reading of the quote, not the author's own explanation.

Explicitly listing how outcomes depend on uncertain inputs highlights key decisions, prompting effort to improve estimates where they matter most.

In simple terms: List dependencies to see which decisions need better data.

Key Takeaway

Identify critical assumptions and refine them.

Themes

risk management decision making analysis uncertainty

Mood

analytical pragmatic

Type

technical strategic

When to use this quote

  • project planning
  • software development
  • policy design

Key Concepts

systems thinking probability sensitivity analysis

Questions to Reflect On

  • Which assumptions in your project are most fragile?
  • When is it worth investing in better data?
A Different Perspective

May be costly or impractical to refine every estimate.

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