Change Psychology: Augmenting Principle

recently wrote about building up a resource for Change knowledge here within this very Blog. Finally I got the time to deal with some basic psychological questions of Change. I am looking forward to be able to share those insights on “Change Psychology” with you, here.

When making a decision, each piece of evidence we glean will add in some way towards our decision. But when does additional evidence have a disproportionate effect? Evidence has a disproportionate incremental effect when it is unexpected, when it goes against what is normal. The discounting principle works in the opposite way, when we ignore evidence that we expected.

A person who gets a high grade in a university history examination may be considered clever. But if you are told that the person is only 16, you may well consider them extremely clever. And if they were already a professor, you would be singularly unimpressed.

Using it
When giving evidence to support an argument, include surprises.

If you are surprised by an argument, wonder why. Are they trying deliberately to shock you in to a decision?

Psychology of Change (Picture source:
Original article taken from

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