A look back at the best from this week in the past.
Flashback
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Flashback: This Week in the Past on Tyner Blain [Jan 26]
A look back at the best from this week in the past.
Business Analysis / Interface Design / Product Management / Requirements / Requirements Models / Usability / UX
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Global Actor Hierarchies and Personas
We use actor hierarchies to organize the different users of a system. Different people play different roles, and thus do different jobs. We use different actors to identify and organize those people. When deploying a system globally, we usually discover people that do the same jobs, but do them differently. […]
Flashback
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Flashback: A Year Ago This Week on Tyner Blain [2006-12-1]
A look back at the best from a year ago.
Business Analysis / Product Management / Requirements / Requirements gathering
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Avoid the Abilene Paradox
An excellent article by Jonathan Babcock raises a thought provoking idea. When gathering requirements, we can end up with requirements that no one actually wants, because everyone thought someone else wanted it. This is apparently known as the Abilene Paradox, a term coined by Jerry Harvey. We can apply our […]
Business Analysis / Business Rules / Requirements / Requirements gathering / Requirements Models / Use Cases
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Business Rules Hidden in Use Cases
Business rules are not requirements. Yet they are often gathered at the same time as requirements, from the same sources, by the same business analysts. And unfortunately, often documented in the same artifacts. In this article we look at some of the ways that business rules are commonly hidden inside […]
Business Analysis / Expert systems / Prioritization / Product Management / Project Management / Requirements / Requirements Models / ROI / Use Cases
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Prioritization and Value Maximization
We all know the story about the emperor’s new clothes. I’ve been thinking about prioritization and scheduling, and as far as I know, no one is promoting that we maximize value – they (and we) have been promoting that we do the most valuable stuff first. Doing the most valuable […]
Flashback
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Flashback: A Year Ago This Week on Tyner Blain [2006-07-28]
A look back at the best from a year ago.
Business Analysis / Product Management / Requirements / Requirements Models / Use Cases
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Elastic Users, Actors, and Roles
In About Face 2.0, Alan Cooper describes the elastic user as an ill-defined user who’s characteristics change to suit the needs of the developer – sometimes an expert and sometimes a novice. However, some of the otherwise good techniques for managing actors and use cases exacerbate this problem instead of […]