Triangulating user insights

A mixed methods approach for reliable research

Kayla J Heffernan
8 min readApr 4, 2023
Photo by Volodymyr Hryshchenko on Unsplash

Back in 2019, Caylie Panuccio and I wrote an article on how to combat common criticisms that UX research, or qual research in general, isn’t “valid”. See below👇

More strategic or risky projects often require more evidence to back them up. We implied this in the original article, but here I’ll make explicit my go to process for robust research.

I’ll explain each step in this article, but the TL;DR is:

  1. Conduct interviews with 12–15 people
  2. Analyse the interview findings
  3. Codify responses into a survey & run a survey study
  4. Analyse the survey findings
  5. Collate the findings of both studies
  6. Experiment to test actual behaviour.

I used this mixed-methods approach for my PhD research. Much of the content of this article is pulled from the research design chapter justifying the methods and the reliability of those methods.

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Kayla J Heffernan

Head of UX. Passionate about solving ambiguous problems with solutions that are accessible and inclusive. I write every couple of months about design.