The Ladder of Inference. Climbing Down from Expert Bias

The Ladder of Inference is a concept developed by the late Harvard Professor Chris Argyris, to help explain why people looking at the same set of evidence can draw very different conclusions. The difference comes from the idea that, based on their beliefs, people ‘choose’ what they see in amongst a mass of information. More […]

Dunbar’s Number 150, Perfect for Christmas Card Lists and Twitter Friends

It’s that time of year in our house when I dutifully read all of the Christmas Cards before they are dispatched for recycling. There are literally 100’s of them. “How can there be so many?”  I ask my wife, who controls everything Christmas related at home, with ruthless military precision. “There are only supposed to be 150, it’s […]

Googlewhacking: a great example of digital ephemera

Hands up if you know what a Googlewhack is? I’ve recently re-aquainted myself with the term after discovering the 2005 book “Dave Gorman’s Googlewhack Adventure”, during some pre-Christmas house painting (an ancient and compulsory tradition my wife assures me). Basically a Googlewhack is what happens when you put two words in to Google, click search, […]