Archive for tag: data

Why inspect and adapt?

10 November, 2015 (14:46) | Uncategorized | By: seth

In a recent talk I gave on Scrum I highlighted the power of inspect and adapt cycles.  Or as the the Agile Principle puts it: Our highest priority is to satisfy the customer through early and continuous delivery of valuable software. First I talked about a non-agile project that did NOT inspect and adapt.   On […]

Lies, damn lies, and statistics – Your guide to misleading correlations.

10 May, 2015 (11:32) | Uncategorized | By: seth

We should trust data.  We certainly should trust data more than we trust the HiPPO.  But when we dive head-first into the data looking for answers when we ourselves do not know the questions, that can be risky.  After all, Goal, Question, Metric (GQM) was promoted (in that order) over 20 years ago. (here is […]

Data-Driven in one image

18 February, 2015 (16:50) | Uncategorized | By: seth

  Photo credit:

Why Windows 10 will succeed where Windows 8 failed –Data Driven Quality

15 February, 2015 (22:21) | Uncategorized | By: seth

You can’t sort of A/B test your way before the product launches, because you don’t have it in users’ hands yet. You need to use your product intuition to make the right choices. You make these choices and people are paying you to make them. Steven Sinofsky, former Microsoft President Windows D11 Conference, May 2013 […]

Those pesky customers

8 February, 2015 (06:55) | Uncategorized | By: seth

It is funny that whenever I teach (or lecture, or cajole) software engineering teams about the necessity for customer centricity, I almost inevitably get challenged with the example of Steve Jobs’ Apple.   Jobs did not care about focus groups, Jobs did not task his teams to deeply mine customer data… he just told them what […]

TiP is misunderstood – perhaps DDQ is Better

12 January, 2015 (06:51) | Uncategorized | By: seth

I spent a long time talking to folks about the merits of a conscientious Testing in Production (TiP) strategy.  But I knew TiP had a bad rap.  I even shared the story of how some would mischaracterize it as a common and costly technical malpractice While evangelizing TiP, I and my Microsoft colleagues would happily […]

Who is the HiPPO?

8 January, 2015 (19:50) | Uncategorized | By: seth

HiPPO stands for Highest Paid Person’s Opinion HiPPO driven decision making is the opposite of data-driven decision making.  The highest paid” person may be your boss, or the VP with his eye on the project, or even the CEO.  But no matter how many of those big bucks they are pulling down, it turns out […]

Better software through SCIENCE!

29 November, 2014 (23:05) | Uncategorized | By: seth

The scientific method is the time-proven way we have learned about the very principles that govern the universe.  It can be summarized by the following sequential steps Ask a question Construct a hypothesis Test the hypothesis with an experiment Analyze results of the experiment Determine whether hypothesis was correct Answer the question Testability A hypothesis […]

Data-Driven Quality explained – part 1: questions? what questions?

24 November, 2014 (06:00) | Uncategorized | By: seth

The "dictionary" definition of Data-Driven Quality (DDQ) is: Application of data science techniques to a variety of data sources to assess and drive software quality. But it is really about questions and answers, specifically using data to find those answers. Trying to derive insights from data without knowing what you are looking for can be […]