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