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Comparison

When to use the Delphi method, and when not to

Comparison of when the Delphi method fits: forecasts and priorities that rest on expert judgment, against cases where you can observe behavior instead.
Delphi measures judgment. If you can watch what people do, do that instead.

A comparison of when the Delphi method is the right tool. It suits decisions that rest on expert judgment rather than behavior: forecasts, priorities under uncertainty, a roadmap checked with experts spread across companies, or agreement among stakeholders who cannot meet. When you can observe what users do, or need the depth of one person's story, usability testing, analytics or one-on-one interviews fit better. Koji runs AI-moderated expert interviews by voice or text for either case.

Where this appears

What's in this comparison

Poor fit: use something else

  • You can watch what users do: run usability tests or check analytics
  • You need one person's full story: run expert or JTBD interviews

Good fit: run a Delphi study

  • Forecasting when hard data is thin
  • Prioritizing under uncertainty
  • Checking a roadmap with B2B experts spread across companies
  • Building agreement among stakeholders who can't easily meet

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<a href="https://www.koji.so/visuals/when-to-use-the-delphi-method-good-and-poor-fit"><img src="https://www.koji.so/visuals/when-to-use-the-delphi-method-good-and-poor-fit/when-to-use-the-delphi-method-good-and-poor-fit.png" alt="Comparison of when the Delphi method fits: forecasts and priorities that rest on expert judgment, against cases where you can observe behavior instead." width="1200" height="668" /></a>
<p>Source: <a href="https://www.koji.so/visuals/when-to-use-the-delphi-method-good-and-poor-fit">When to use the Delphi method, and when not to</a>, Koji</p>