Posts Tagged ‘measurement’

Efficiency and Effectiveness

Friday, May 1st, 2015

Most software teams and organizations waste 40% or more of their resources. I can’t prove this assertion, but most of us know it to be true in our current situations. Just ask your team. In larger enterprises and in organizations with compliance requirements, the ratio of productive activities to waste is even more pronounced.  Waste comes in several forms: unnecessary overhead, unnecessary rework, unnecessary features, and building the wrong thing.

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Economic governance–Conclusions

Monday, April 22nd, 2013

IBM’s broad industry experience and deep internal know-how point to three key principles to deliver sustained measureable improvements in software business outcomes with higher confidence: (more…)

Measurements and the truth

Thursday, June 7th, 2012

A useful metaphor for presenting information honestly is evident in how truth is defined in the American justice system by emphasizing three aspects: (more…)

Honest precision and communicating with clarity

Friday, June 1st, 2012

When a person is selling a product or an idea, it is natural to present a positive bias that reflects well on their perspective. While the best scientists, teachers, and judges may epitomize some of the exceptions to this statement, there are still enough counter-examples that we must be wary of the natural bias of our human nature. We all need to remember that rose-colored glasses are built into human reasoning and communications.

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Communicating objectively with measurements

Tuesday, May 29th, 2012

It is no secret that objective and quantified measures are a critical aspect of communicating clearly. However, many communications use numbers inappropriately and lose credibility through exaggeration, false precision, inappropriate units, or other forms of deceptive misusage. In How to Measure Anything: Finding the Intangibles in Business, Douglas Hubbard defines a measurement as follows: (more…)

Avoid false precision

Tuesday, May 22nd, 2012

It is almost standard practice nowadays for presentations to use precise numbers that are computations from a spreadsheet or averages from a lot of surveys, or that are calculations from various models, plans, or estimates. In many cases, authors use numeric representations that imply much more precision than they should. Even though we know our planning process is only accurate to within 20%, we present multi-year contract prices for uncertain business endeavors down to the dollar (for example, $1,650,745). We claim that customer satisfaction has improved 23% when our survey is based on subjective assessments of 10 different customer satisfaction questions where the answers vary from 1 (very satisfied) to 5 (very dissatisfied).

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Presenting quantified data

Monday, October 31st, 2011

A useful metaphor for presenting information honestly is evident in how truth is defined  in the American justice system by emphasizing three aspects: (more…)