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Tuesday, January 07, 2014

How injecting randomness into your project can help it succeed


Success and failure differ, very often, by very little. Take nature as an example. A small change in our DNA (a few mutated genes) can have catastrophic consequences. On the other hand, without these mutations humans would never have come into existence.

Humans and other species in the planet evolved because of chance (although not totally chaotic) changes in their DNA. As small change after small change happened, the surviving individuals were able to spread the viable, and ultimately the most adequate changes to the next generation - and the process repeats still in our own bodies today. If Nature has taught us something about improvement and evolution is that you must have a little bit of luck involved!

The DNA of a project

In software projects - my domain - I see some similarities to this natural model that are worth exploring. Projects also have a DNA which includes the structure and the communication connections between individuals. Communication being one of the most quoted causes for failure in software projects, and therefore one of its critical success factors.

The More I Practice the Luckier I Get

Once a project gets started, a particular structure is put in place (governance, management, teams, etc.). Very often that structure remains in place, and static until the end of the project. But is this a smart choice?

Another aspect of the project that rarely changes is the network of connections between the individuals. This network is what carries information from individual to individual and eventually "selects" the information that is acted upon by the project team. If a piece of information reaches an individual in the project, and that individual does not consider it relevant, that information will not spread further. In contrast, when a piece of information is perceived as important by an individual, that information will be actively spread by that individual.

The Illusion of Control

The structure that is set for a project strongly influences the communication links that can emerge between individuals. Who talks to whom? What meetings exist where people interact regularly? etc. But the reverse is also true. The existing communication network within an organization is a strong influence on what governance structure is put in place, how teams are formed, etc. These co-dependent processes create a positive (or negative) spiral of events for the project, but because neither (structure, or communication network) is often changed, that spiral is unstoppable. If it is positive, it will help the project succeed. If this co-dependent processes create, instead a negative spiral, that will relentlessly remove the chances of success for that project.

This co-dependent relation between two key processes (structure and communication network) is why we can increase the chances of success in our projects by simply causing random perturbations in the project. Randomness helps us explore different patterns for structure and communication networks.

As we carefully design and inject small - safe-to-fail - changes into the project, we can observe how it reacts and adjusts. Later, we can retrospectively amplify or remove/dampen the changes based on the outcome we see. If something works, keep it and ask how can you make it grow. If something creates a net negative outcome, dampen or remove it completely.

The cycle goes like this:

  • Define and implement small, safe-to-fail changes in the structure or communication network for the project
  • These changes lead to emergent behavior as the individuals and teams adapt to the changes
  • A new project configuration emerges which drives new project results
  • Finally, we evaluate the results of these changes and decide which components we will try to amplify or dampen

What Do You Mean Random?

There are many ways in which we can, randomly, explore better configurations for our projects. Below I list only a few to illustrate the concept:

  • At the start of a project, let the teams chose their own composition. This establishes new connections between individuals in the project as some will choose to work with new team members. However, these new connections will not eliminate the previous connections between individuals. The net effect should be that your project now has a more connected communication network (more individuals with strong connections to each other). In practice this works just like when we form new neural connections in our brain: more connections leads to different thinking and acting patterns
  • Organize common project events where people interact with each other outside the day-to-day routine. Planning events can be organized following a structured approach, but including also some unstructured time (à lá unconference, using e.g. Open Space) where people can interact based on their interests. This will also help form new connections between individuals in the project and spread information that would otherwise be locked down and not accessible
  • Have regular project "coffee breaks" that happen at the same time and same place. In these events people can connect with other individuals and ask questions from the project management team or the most connected individuals in the project. This unstructured communication increases the chance that some piece of information will "jump the hierarchical borders" and reach people in decision-making positions, or people with influence that can later act on that information.

Conclusion

These practices are designed to inject randomness (unplanned situations or connections) into the project. The goal is not to create Chaos (a scary word for many project teams), but to generate new pathways for the information to flow within the project team, as well as novel project structures that are more adapted to the current challenges the teams face.

Using these (or other) practices will increase your project's chances for success. They don't eliminate the need for the project to be managed, or to have structure. They do increase the chance of success for the project by exploring new organizations and structures through a process of small (safe-to-fail) changes that can lead to unplanned, but ultimately superior performance.

These were just a few examples. How would you inject randomness into your project? Have you done that in the past? Please share your experiences in the comments for the benefit of others.

Photo credit: John Hammink, follow him on twitter

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at 08:00 | 8 comments
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Wednesday, December 18, 2013

The most valuable question for your software project


Every time a software project is started, a dance starts: the dance of project approval. Decision makers and project delivery team take different positions at a table, some ask questions, others do their best to respond, given that these questions are typically about the future. Some of the questions are so much into the future that it would be foolish to pretend we know the answer. Yet we do.

This was the main lesson I learned in my life as a project manager: you have to learn how to dance.

How to dance...

In the dance-like meetings there are 3 types of people:

  • A) Those that pretend to know the future
  • B) Those that know they can't know the future
  • C) And those that don't want to know the future
The question below is only valid for the people in category B). The other two categories are beyond help from me or anyone else.

What is the likelihood this project will fail?

When a project starts, the best question anyone can ask about the project is this:
The most important question: What is the likelihood this project will fail? Why is this question important?

  • First, if you don't have an answer to this question you are either in the first or third category of those listed above, and there's nothing I (or anyone else) can do to help you.
  • Second, by discussing the possibility of failure we are actively looking for possible causes of problems for the project (rule 1 of risk management).
  • Third, having an actual conversation about the failure probability of a project will give you an indication of the "value at risk" for the project.

For example: let's say the project budget is about 100K dollar, and to make it a worthwhile investment we would need to make it between 120K and 90K in total cost (i.e. if it is likely it will cost more than 120K you should not do it). If the answer to the most important question is: 50/50, then you know that the project is not worth doing. It has very little chance of delivering the necessary value to justify it's existence, in fact: it is likely it will be above 100K and up to as much as 200K in cost.
However, if the answer is that we are 80% confident we will deliver the project on timecost, then the project is worth pursuing (although with some strict scope control in place) because the expected worst case scenario would be a total cost of 120K dollars (the 20% margin implicit in the confidence above). In practice an 80% confidence means you expect the project to cost up to 120K (100K + 20%) in the *worst* case.

In a later post I'll explain how we can answer this most important question using the #NoEstimates approach. For now, let me know what you think of the question and the concept of "value at risk" above.

Definition of Value-at-risk [PDF]: "value-at-risk summarizes the expected maximum loss (or worst loss) over a target horizon within a given confidence interval"

Note: A special thanks to @galleman for the idea of the 3 categories of people from which I derived the 3 categories I present in this post.

Photo credit: Steven Depolo @ flick

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at 07:30 | 2 comments
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Sunday, August 10, 2008

The value Black Swan (or the killer improvement in software development)

Thinking back to how we value our work, we must recognize that, in software, quantity is not value!

The number of things we do in a sprint
does not vary too much, we can consider it a Gaussian (assuming correct and consistent measurement) -- or in Black Swan (TBS) parlance: velocity is a variable from Mediocristan. However, the value of each item does not follow a Gaussian -- in Black Swan parlance value per item is a variable from Extremistan. It is conceivable to think that we can have one item that accounts for 90% of the value we deliver, in fact that is most often the case, but even knowing this we may underestimate (or lack understanding of) the real extreme value of an item.

What does that mean in practice? How does this affect our planning or item selection? Can we in anyway predict the value? (not, according to TBS).... The payoff of a "large value" item would however be much bigger! (altavista vs Google)

In my view, given the current knowledge I have of the software development process/world, I'd say that this assertion means that the most value in a software development process can be obtained by concentrating on selecting those extreme value items that can make the software a success. Current science and practice on this, however, seems to lack any repeatability or reliability when it comes to reliably selecting the "killer" features... Do you have any links to papers/articles about value focus in the requirements selection process? link them up in the comments section.

PS: if you don't know what a Black Swan is, you better read this, or the book.

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at 13:15 | 0 comments
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