The Warn Room blogs apply 70 years of research to the practice of alerts and warnings. We show how evidence-based changes to message content, style, and structure can create more effective warnings.
I recently heard a podcast where the guest described "common knowledge." They explained it this way: you know that I know, and I know that you know, and you know that I know that you know, and I know that you know that I know. Stated more simply: we all know something and we know that everyone else knows that same thing. And this is important when thinking about how we describe actions in warning messages. Not everything is common knowledge. In fact the words that you c
