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Tag: sample size

Q&A: how much evidence is sufficient for decision-making?

Q&A: how much evidence is sufficient for decision-making?

Posted on Thursday, 19 January 2017

I was recently asked this question:

Do you have a rule of thumb for deciding how much evidence is sufficient for decision making? I often see decisions made on the basis of a sample of one.

Here’s my answer:

Read more ›

Tagged with: Government Digital Service (GDS), product discovery, research, sample size, usability testing

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