Leverage of Space

On my talk at KanDDDinsky conference in 2018 I introduced something called Domain Learning Framework that I came up with and talked about its elements as well.  One of the element is the Domain Quiz. I've tried to explain there what it is but obviously during a talk you cannot spend that much time on the practical things in too much details. Since then I had the pleasure that I got mentioned with this practice by Nick Tune more times in various talks of his. Recently I got questions whether this Domain Quiz thing is documented anywhere at all? And...it is unfortunately not (except my previous domain quizzes at various companies) yet, but that's why I'm writing this up for you now. Because I wanted you to see that you shouldn't be thinking of any difficult assessments here, or hard to fill questionnaires.  What is Domain Quiz? A relative short assessment of people’s current domain knowledge followed by a common evaluation session. And, if you ask me, i...

You must have heard about the invisible gorilla experiment. If not, you can learn more here or actually there is another version of it that I like better, you can check that out here .  No matter which one you like/watch/read the main thing here is when you have to perform a task (especially if that is a challenging one), without realizing it, your attention narrows and blocks out other things. So, often, you literally can't see even a huge, hairy gorilla that appears directly in front of you. 😀 That effect is called "inattentional blindness". You only see what you expect to see. I was first introduced this experiment in the context of modeling. With any models you are working with, you need to work hard not to only see what you expect to see but way more beyond that.  The other day I needed to schedule a "trip" to the customer service of an internet/phone provider (I needed to arrange internet subscription for someone in my family). But a lot was g...