Another dot in the blogosphere?

80:20?

Posted on: October 11, 2018

If you operate in training in the corporate, governmental, or NGO worlds, then 80:20 or 70:20:10 makes sense to you.

To the rest of the world, particularly those in schooling and higher education, those ratios and what they stand for make about as much sense as the tweet above.

The issue is not so much the proportion of, say, sales and active customers, it is how the numbers came to be. When you discover that this “principle” has been applied to management, marketing, sales, and even life, you have to ask: What research helped establish these ratios?


If you dive into that rabbit hole, you might realise how shallow it is. It is a pothole that does not go anywhere. I would rather pave over that hole.

I did something similar in the past by pointing out how wrong the numbers were in Dale’s cone of experience. This critical resource describes how Dale did not put any numbers to his model and the numbers were made up.

It is tempting to try to make complex phenomena like “how people learn” simple. The mistake is trying to boil this down to numbers and formulae.

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