It’s difficult to imagine a world of business communication without charts — but just how effective are we at reading them?
Charts use a variety of visual encoding methods — including position, length, area, angle and colour — to translate the data being presented into the pixels, or ink, on a page. But these encoding methods are not necessarily equally effective in allowing a reader to see variations between numbers. Let’s demonstrate that by putting your perceptual systems to the test...
Challenge 1 of 4: do the pies have it?
Pie charts are everywhere in the business world, but how good are they at allowing us to spot differences in data?