Archive of Business Analysis Articles

August 30th, 2010

Verifiable Requirements

Writing Verifiable Requirements should be a rule that does not need to be written.  Everyone reading this has seen or created requirements that can not be verified.  The primary reason for writing requirements is to communicate to the team what they need to accomplish.  If you can’t verify that what the team delivered is acceptable, neither can the team.  This may be the most obvious of the rules of writing requirements – but it is ignored every day.

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August 18th, 2010

Writing Unambiguous Requirements

Writing unambiguous requirements is about understanding what is written, and what is read.  Without a clear understanding of your market, you can’t write unambiguously.  Even when you understand your market, you risk writing something that is ambiguous to your readers.  Documenting requirements is about communication.  Don’t break this rule, or you’ve wasted all the energy you spent understanding your requirements.

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July 20th, 2010

Rupert Murdoch – Zero; John Nash – One

Wikicommons stock image of Rupert Murdoch vs. Wikicommons stock image of John Nash

What happens when billionaire media magnate, Rupert Murdoch, pits his idea against a Nobel-prize winning idea from the beautiful mind of economist and mathematician John Nash?

When you act on what you hope your market will do, instead of what you predict your market will do – you’re in trouble.

This is a story about understanding your market, and an example of using game theory – specifically, the Nash Equilibrium in “non-cooperative game theory” to predict market responses to your products.

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June 21st, 2010

The High Costs of Building the Wrong Product

A Praying Mantis

As product managers, we talk about creating the right solutions with our products. Understanding the very real problems our customers face, understanding the very real opportunities our markets present, and manifesting that understanding in a product roadmap.

Other than being “not as good,” how expensive is it to build the wrong product?

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April 6th, 2010

Consistent Requirements

writing consistent requirements logo

Consistency in writing requirements is important on two levels – strategic and tactical.  Tactically, you need to write your requirements with grammatical consistency, so that potentially ambiguous statements will be interpreted similarly.  You also need to write requirements that are logically consistent, so that you avoid “impossible” requirements and gaps of unspecified meaning.   Strategically, your requirements need to reflect a focus on markets and problems that are consistent with your business objectives and the vision your company is manifesting

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March 11th, 2010

Business Goals and Requirements

Inventory in a warehouse

One of my colleagues got into a debate with one of his colleagues about the differences between goals and requirements.  His opponent fired the following salvo: “[That] is not a business requirement in any company of the world…”

What you call your requirements is less important than how you communicate them.

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February 23rd, 2010

Complete Requirements

big ten rules of writing requirements logo #5

You give your requirements to the engineering team, and they look complete.  The team builds your product, you launch it and the market soundly rejects it.  Why?  Because your requirements weren’t complete – they didn’t actually solve the problem that needed to be solved.

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January 5th, 2010

Most Engaging Articles of 2009

Engagement – that’s what this whole product management blogging thing is about.  Check out what Tyner Blain readers found to be the most engaging articles in 2009.

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December 16th, 2009

Why Cross-Selling Works

Why does cross-selling, the process of selling something additional to someone who is already making a purchase, work?  This article explores some of the theory and rationale behind cross-selling – from qualification to motivation and profitability.

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December 7th, 2009

Foundation Series: Substitutes and Complements

Do you know about substitute goods and complementary goods?  If you’re doing any eCommerce, and are thinking about cross-sell and upsell, you should understand the basics about substitutes and complements.

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