“And here, you see…” These are the famous words that ring hollow to the blind. But the lack of knowledge leaves us just as blind – a temporary type of blindness, assuredly, but blindness nevertheless. For knowledge only lights up the world of the expert rambling along, finger pointing to familiar shapes on the laptop screen, and occasionally on the projector screen (the one everybody sees) whilst most of us in the audience, eyes stretched in front of us, grope in the dark and clutch at shadows.
The trap is common: the presenter expects all of us in the audience to be experts. We feel like the little Marys and Johnnys in primary school reading the story of the house cat. “The cat ate a mouse”, the story goes. “The rodent was fat.” At this precise moment, we all got the idea that the cat was a rodent – after all, it just ate a mouse! The world has not changed that much for the scientist since primary school; the story just got a little more complex. “The felis catus ate a murine commensal. The mus musculus’s BMI exceeded that of a standard murinae.” At least scientists won’t mistake the mus musculus for a felis catus… or will they?
My advice to you is to look at the contents of ALL your slides from the point of view of ALL the people the title of your talk attracted. Who are they? What do they want from you? The answer is not a simple “they want to know about my contribution.” To know what they want, look at your title. Each search keyword in your title acts as a magnet attracting the expert AND the non-expert. For each keyword, the audience expects you to give new information AND background information. Redo and simplify your slides to remove the knowledge gap between you and the non-experts. And move your tough expert slides after your conclusion slide, ready to answer the experts’ questions during your Q&A.
By Jean-luc Lebrun
Image flickr; Author Dnudson