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Process

Sequential mixed methods research in 3 steps

Interviews to find the questions, a survey to size the answers

Process showing sequential mixed methods research: interview 8 to 12 people, survey 200 to 500, then optionally interview some survey respondents
Interview first, so the survey asks about problems people actually have.

The most common way to combine qualitative and quantitative research. Start with 8 to 12 interviews to learn the problem space, use what you hear to write a survey for 200 to 500 people that shows which themes are widespread, then go back to a few respondents to explain anything surprising. It stops teams from writing a survey before they know what to ask. Koji can run both the interviews and structured rating questions in one study.

Where this appears

What's in this process

  1. Qualitative first: Interview 8 to 12 participants to understand the problem space and find the questions that matter.
  2. Quantitative second: Turn what you learned into a survey for 200 to 500 participants to see which themes are widespread.
  3. Qualitative follow-up (optional): Interview a subset of survey respondents to dig into the results that surprised you.

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<a href="https://www.koji.so/visuals/sequential-mixed-methods-research-three-steps"><img src="https://www.koji.so/visuals/sequential-mixed-methods-research-three-steps/sequential-mixed-methods-research-three-steps.png" alt="Process showing sequential mixed methods research: interview 8 to 12 people, survey 200 to 500, then optionally interview some survey respondents" width="1200" height="630" /></a>
<p>Source: <a href="https://www.koji.so/visuals/sequential-mixed-methods-research-three-steps">Sequential mixed methods research in 3 steps</a>, Koji</p>