Don’t overload the audience

According to Professor Sweller’s ‘cognitive load theory’, it is simply not effective to speak the same words that are written. It’s far better to show a picture or chart illustrating your point. The other problem is that most of the time the majority of the audience is not even listening to you. They’re thinking about themselves, their problems, their pleasures and whether or not what you are saying is of any value to them.

Sweller’s research into how we recall things from presentations suggests that it is far more difficult to process information confronting you from all sides at the same time. Choose either the written or spoken word and the human brain can process, digest and retain far more information than if it is bombarded with both.

Source: Cognitive Load Theory, New South Wales Research by Prof. Sweller


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