Above all else show the data.
Good design is clear thinking made visible, bad design is stupidity made visible
A practical part of my teaching is to provide demonstrative, hands-on experiences.
There are many true statements about complex topics that are too long to fit on a PowerPoint slide.
My idea here is that, inasmuch as certain cognitive tasks and principles are tied to nature's laws, these tasks and principles are indifferent to language, culture, gender, or the particular mode of information that is provided.
I do believe that there are some universal cognitive tasks that are deep and profound - indeed, so deep and profound that it is worthwhile to understand them in order to design our displays in accord with those tasks.