Coping with a Fear of Inaccuracy

“Even imperfect answers can improve decision making.” – Donald Reinertson

When I read this from Reinertson’s book on flow, I realized that I had found the reason that people have so much trouble with story points. It’s a matter of overcoming their fear of inaccuracy. They are under the misguided belief in the accuracy of using hours or days to estimate work on projects. They’re basically afraid of being wrong (aren’t we all?) and that is the source of a lot of resistance to change. Being wrong sucks. I get that. Nevertheless, I’m wrong a lot.

Fortunately, wrong isn’t always boolean (unless you happen to step in front of a swiftly moving bus). There are shades of wrong. You can be just a little wrong, your aim just a little off, and still be headed in the right direction. Or you can be a lot wrong (the bus). That’s where frequently re-examining your decisions can help you catch the stuff that’s a lot wrong and fix it. What about the stuff that’s a little wrong? Don’t sweat it.

In the software world, a little wrong is still pretty useful. There is a tremendous amount of error and missing information. Compared to that, being slightly wrong isn’t so bad. Being slightly wrong gets you started – at least in mostly the right direction. You’re going to fine tune it anyway, so there’s really no need for decision making precision. That will come later, when you know more.

To me, the ability to overcome our fear of being wrong stems from an all-or-nothing mindset. We can’t allow ourselves to be even a little wrong for fear of failure. As Reinertson rightly points out, there is a time and a place for precision in decision making, but it’s not ALL the time.

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