Archive for July, 2007

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July 31st, 2007

Prioritization and Value Maximization

emperor's clothes

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 things first does not result in getting value the fastest. In this article, we show why not.

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July 30th, 2007

Measuring the ROI of Design

unicorn

Measuring the return on investments in design may be the hardest ROI calculation you can do. It certainly is one of the rarest. To measure ROI, you have to be able to determine what would happen without the investment, and what happens with the investment. The difference between them is what happened because of the investment.

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July 29th, 2007

Flashback: A Year Ago This Week on Tyner Blain [2006-07-28]

side mirror

A look back at the best from a year ago.

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July 27th, 2007

Nexus Friday Favorites

nexus logo

Each Friday, we highlight some of our favorite articles, bundles or reviews that people have submitted to nexus. Check out this week’s Friday Favorites…

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July 25th, 2007

Interface Design: Visualization Methods

periodic table of visualization techniques

Visualizing complex data can be very difficult. There are almost as many ways to visualize data as there are data to visualize. The Ralph Lengler and Martin J. Eppler at the Visual Literacy Organization collect many of them for us in a periodic table.

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July 23rd, 2007

Elastic Users, Actors, and Roles

generic stretch armstrong

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 alleviating it. How should we manage use cases while still getting the benefits of Cooper’s insight?

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July 21st, 2007

Flashback: A Year Ago This Week on Tyner Blain [2006-07-21]

side mirror

A look back at the best from a year ago.

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July 20th, 2007

Nexus Friday Favorites

nexus logo

Each Friday, we highlight some of our favorite articles, bundles or reviews that people have submitted to nexus. Check out this week’s Friday Favorites…

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July 17th, 2007

Ignoring The Requirements, Watching The Discussion

recycle

Almost a month ago, we published an article titled Broken Requirements Ecosystem. That article built on a discussion thread at Seilevel. Since that time, the original thread has grown, and a new one has been spawned at the Catalyze site.

In short, the question was asked on the Seilevel forum- why are specs sometimes ignored by developers, and four possible reasons were suggested.  We followed up with our view, and the discussion picked up again, this time at Catalyze.

    1. Original discussion thread on Seilevel’s forum: Reasons Reqs Go Unread (Discussion from 19 Jun to 26 Jun )
    2. Article at Tyner Blain: Broken Requirements Ecosystem (Written on 21 Jun, Discussion to 26 Jun)
    3. Thread spawned on the Catalyze forum: Broken Requirements Ecosystem (Discussion from 23 Jun to 15 Jul)
      Note - the dates above for each article/forum-post are as of right now. People have submitted 23 comments across the articles, showing a lot of good insight from many different perspectives. Developers, product managers, project managers, stakeholders - lots of great comments!

      Even if you read our article before, go back and follow the discussions again - starting with Seilevel’s article, and progressing to ours, following up with the conversation at Catalyze.

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July 16th, 2007

Use Case Example With Business Rules

atm

In our ongoing exploration of how to meld the worlds of business rules and requirements, we look at an example use case and see how to extract the business rules.