1. TEST-DRIVEN DESIGN
Balanced Team Conference
September 25, 2011
Josh Seiden, @jseiden
Monday, September 26, 2011

2. Blog it!
Josh Seiden @jseiden #leanUX
www.luxr.co @luxrco #leanStartup
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Monday, September 26, 2011

3. 9 Lean UX Principles
1. Design + biz + development + ... = 1 product team.
2. Externalize!
3. Goal-driven and outcome-focused.
4. Repeatable and routinized.
5. Flow: think, make, check.
6. Focus on solving the right problem.
7. Generate many options & decide quickly what to pursue
8. Recognize hypotheses & validate them
9. Rapid cycles: think/make/check Research with users is
the best source of information
www.luxr.co License: Creative Commons Attribution-
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Monday, September 26, 2011

4. 9 Lean UX Principles
1. Design + biz + development + ... = 1 product team.
2. Externalize!
3. Goal-driven and outcome-focused.
4. Repeatable and routinized.
5. Flow: think, make, check.
6. Focus on solving the right problem.
7. Generate many options & decide quickly what to pursue
8. Recognize hypotheses & validate them
9. Rapid cycles: think/make/check Research with users is
the best source of information
www.luxr.co License: Creative Commons Attribution-
www.slideshare.net/jseiden 3 Share Alike 3.0 United States
Monday, September 26, 2011

5. 9 Lean UX Principles
1. Design + biz + development + ... = 1 product team.
2. Externalize!
3. Goal-driven and outcome-focused.
4. Repeatable and routinized.
5. Flow: think, make, check.
6. Focus on solving the right problem.
7. Generate many options & decide quickly what to pursue
8. Recognize hypotheses & validate them
9. Rapid cycles: think/make/check Research with users is
the best source of information
www.luxr.co License: Creative Commons Attribution-
www.slideshare.net/jseiden 3 Share Alike 3.0 United States
Monday, September 26, 2011

6. Principle #8 Declare your assumptions...
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Monday, September 26, 2011

7. Principle #8 Declare your assumptions...
A way to re-frame requirements
www.luxr.co License: Creative Commons Attribution-
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Monday, September 26, 2011

8. Principle #8 Declare your assumptions...
A way to re-frame requirements
 Every decision you make about your offering is a
design decision.
www.luxr.co License: Creative Commons Attribution-
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Monday, September 26, 2011

9. Principle #8 Declare your assumptions...
A way to re-frame requirements
 Every decision you make about your offering is a
design decision.
 Every design decision is an hypothesis.
www.luxr.co License: Creative Commons Attribution-
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Monday, September 26, 2011

10. Principle #8 Declare your assumptions...
A way to re-frame requirements
 Every decision you make about your offering is a
design decision.
 Every design decision is an hypothesis.
 Declare your assumptions and test them.
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Monday, September 26, 2011

11. Monday, September 26, 2011

12. Monday, September 26, 2011

13. Monday, September 26, 2011

14. Monday, September 26, 2011

15. 7
Monday, September 26, 2011

16. Internet Mouse…
www.luxr.co
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? 8
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Monday, September 26, 2011

17. Internet Mouse…
www.luxr.co
www.slideshare.net/jseiden
? 8
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Monday, September 26, 2011

18. Internet Mouse…
www.luxr.co
www.slideshare.net/jseiden
?!
8
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19. Method: Declare your assumptions
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20. Method: Declare your assumptions
What assumptions do you have?
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21. Method: Declare your assumptions
What assumptions do you have?
…about your customers?
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Monday, September 26, 2011

22. Method: Declare your assumptions
What assumptions do you have?
…about your customers?
…that if proven false, will cause you to fail?
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23. What assumptions are we making?
 Who is the user? Who is the customer?
 Where does our product fit in their work or life?
 What problems does our product solve?
 When and how is our product used?
 What features are important?
 How should our product look and behave?
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24. Method: Write the test first
We believe that person type has trouble/need/desire doing
problem/oppty. [that can be addressed by our offering.]
We will know we have succeeded when qualitative and
quantitative outcome. This will improve KPI.
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Monday, September 26, 2011

25. Method: Minimum Viable Product
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26. Method: Minimum Viable Product
What is the smallest thing we can make to test
our hypothesis?
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Monday, September 26, 2011

27. Method: Minimum Viable Product
What is the smallest thing we can make to test
our hypothesis?
The answer to this question is your MVP.
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Monday, September 26, 2011

28. Method: Get out of the building
 Identify who do you want to talk to and what you
want to learn
In other words, what assumptions will you test?
Stay tuned for Lane’s talk...
 Plan your interview themes as a team
 Collect artifacts, debrief and share
 Use your visits for multiple purposes
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29. Want to attend a workshop? Tweet #LUXiNYC to @LUXrCo
THANK YOU!
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Monday, September 26, 2011