I suspect we do a better job teaching children than adults, and much of that has to do with trying harder to explain things visually, in the most intuitive, simple way possible, to children. As we grow older, we start stacking on level after level of abstraction, losing more and more students along the way.
Even language is an abstraction, and while I enjoy writing, the ratio that a picture is worth a thousand words is a cliche that describes a very real ratio. As someone I chatted with noted this week, we have an actual way of quantifying the relative value of video versus images versus words: the CPMs that advertisers are willing to pay for video ads versus display ads versus text ads. My early years at Hulu, it was unbelievable how high and rock solid our video ad rates were compared to other ad formats on the market. All the recent pivots to video are surprising only for how late they're coming for many; trying to run a business off of text and display ad revenues is life with poverty unit economics.
This is not to say video is always better. As a format, it's harder for many to master, and like many, I often roll my eyes when sent a link to a video without a transcript. It's not because I don't believe video is a more accessible, democratic, and moving medium. It's just that a lot of instructional video would be just as information rich and more quickly scanned for its key messages if transcribed into text. Many a media site will struggle with pivoting to video unless they understand the format at the same level they do text and photos.
Video at its best is much more than a camera pointed at a person speaking. Now, granted, some speakers are immensely gifted orators, and so a TED talk may have more impact when watched rather than read. However, the average MOOC video, to take one example, is dull beyond words.
Video as a medium still has enormous potential, especially for education. In the trough of disillusion for MOOCs, I expect we'll see something rise from the ashes that finally unlocks video's potential as a communications medium. We've done a solid job with that format as a narrative storytelling device, and that's partially because the revenue in Hollywood supports an immense talent development infrastructure. Education might be able to provide that level of financial incentive if global distribution through the internet allows for aggregation of larger scale audiences.
One of the core challenges of education, as with disciplines like fitness and diet, is motivation. That is another area where video shines. David Foster Wallace warned of the addictive nature of video in Infinite Jest, and the fact that the average American still watches something like four to five hours of TV a day, despite the wealth of alternatives in this age, is an astonishing testament to the enduring pull of filmed entertainment.
As with anything, the seductive nature of moving images is merely a tool, inheriting its positive or negative valence from its uses. When it comes to teaching abstract concepts, I prefer good visuals over clear text almost every time if given the choice. Our brains are just wired for visual input in a way they aren't for abstractions like language, which explains many phenomenon, like why memory champions translate numbers and alphabet characters into images, and why they remember long sequences like digits of pi by placing such images into memory palaces, essentially visual hard drives.
One could try to explain the principles of potential and kinetic energy, for example, with a series of mathematical formulas, in a long essay. Or one could watch the following video.
Here's the video of the full routine by Joann Bourgeois, performed in San Sebastian. Just gorgeous.
This is what I wish Cirque du Soleil would be every time someone drags me to one of their shows.