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

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.

Read on for my answer:

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10 top tips for reading your users’ minds – talk at #PMF14

Albert_Einstein_1947Which is better for making product decisions: guesswork or user feedback?

Albert Einstein once said that anyone can make something complex, but only a genius can make something simple.  Imagine if you could read your user’s minds and understand what they really think about your product.

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Lo-fi usability testing – Part 3: Ten top tips

We’ve already covered in the previous articles what usability is and why you need to test it and what you need to do to prepare for your usability tests.  In this thrilling* conclusion to the trilogy, we get down to the nitty-gritty of how to run the tests and how to interpret and act on the results.

* It all depends on your perspective
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Lo-fi usability testing – Part 1: Background

I recently spoke at ProductCamp London about conducting lo-fi usability, that is, easy, quick and inexpensive usability testing that anyone can run.  I did a neater version when I was invited recently to present to the BBC product managers and user experience practitioners, which I’d like to share with you.

Quite a few people are put off usability testing because they think it’s complicated, time-consuming and expensive.  What you may not realise is that you can run a set of usability tests in a single afternoon that will uncover eighty percent of the problems your product has.  And the only specialist equipment you’ll need is a pen, some paper and the computer you need to access the software or website.

This my friends is lo-fi usability testing – a high-return, low-cost method for these cash-strapped times.  In this first instalment, I’ll be discussing what usability is and why testing it is so important.

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I’m in the middle of a chain reaction

Hello all, hope you’re having a lovely, restful Sunday.  I’ve finally got around to sharing with you the useful Product Management and Usability / User Experience bookmarks I’ve been accumulating.

I’ve found them particularly useful, I hope you will too.  I’ve also thrown in a few of my friends’ sites and blogs and urge you to read the beautiful, insightful and occasionally disturbing things they say.

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