Book Review: UX for Lean Startups

Posted by Alexander Todorov on Mon 09 December 2013

Recently I've finished reading UX for Lean Startups and strongly recommend this book to anyone who is OR wants to be an entrepreneur. Here is a short review of the book.

This book is for anyone who is creating a product/service or is considering the idea of doing so. It talks about validation, interaction design and subsequent product measurement and iteration. The book demonstrates some techniques and tools to validate, design and measure your business ideas and products. Its goal is to teach you how to design products that deliver fantastic user experience, e.g. ones that are intuitive and easy to use. It has nothing to do with visual design.

The author Laura Klein summarizes the book as follows:

User research

Listen to your users. All the time. I mean it.

Validation

When you make assumptions or create hypotheses, test them before spending lots of time building products around them.

Design

Iterate. Iterate. Iterate.

Early Validation

This chapter helped me a lot to understand what exactly is validation and how to go about it. The flow is validating the problem you are trying to solve, then the market and then the product.

I will also add that by using some of these research techniques around a vague idea/area of interest you may come around a particular trend/pattern or problem and develop your business from there.

You’ll know that you’ve validated a problem when you start to hear particular groups of people complaining about something specific.

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Your goal in validating your market is to begin to narrow down the group of people who will want their problems solved badly enough to buy your product. Your secondary goal is to understand exactly why they’re interested so you can find other markets that might be similarly motivated.

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You’ll know that you’ve successfully validated your market when you can accurately predict that a particular type of person will have a specific problem and that the problem will be severe enough that that person is interested in purchasing a solution.

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Just because you have discovered a real problem and have a group of people willing to pay you to solve their problem, that doesn’t necessarily mean that your product is the right solution.

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You’ll know that you’ve validated your product when a large percentage of your target market offers to pay you money to solve their problem.

User Research

Next few chapters talk about user research, the various kinds of it and when/how to perform it. It talks how to properly run surveys, how to ask good questions, etc.

Qualitative vs. Quantitative Research

Quantitative research is about measuring what real people are actually doing with your product. It doesn’t involve speaking with specific humans. It’s about the data in aggregate. It should always be statistically significant.

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Quantitative research tells you what your problem is. Qualitative research tells you why you have that problem.

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If you want to measure something that exists, like traffic or revenue or how many people click on a particular button, then you want quantitative data. If you want to know why you lose people out of your purchase funnel or why people all leave once they hit a specific page, or why people seem not to click that button, then you need qualitative.

Part Two: Design

The second part of this book talks about design - everything from building a prototype to figuring out when you don’t want one. It assumes you have validated the initial idea and now move on to designing the product and validating that design before you start building it. It talks about diagrams, sketches, wireframes, prototypes and of course MVPs.

I think you can safely skip some of these steps when it comes to small applications because it may be easier/faster to build the application instead of a prototype. Definitely not to be skipped if you're building a more complex product!

Part Three: Product

This section talks about metrics and measuring the product once it is out of the door. Supposedly based on these metrics you will refine your design and update the product accordingly. Most of the time it focuses on A/B testing and which metrics are important and which are so called "vanity metrics".

I particularly liked the examples of A/B testing and explanations what it is good for and what it does poorly. Definitely a mistake I've happened to made myself. I'm sure you too.

Let me know if you have read this book and what your thoughts are. Thanks!

tags: books, start-up



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