In my efforts to write this book about the history of educational technology (as I have witnessed it), I’m finding myself doing more reading than writing. I guess that’s normal for book-writing, though it surprises me since I am typing this mostly from my own recollections.
This morning, in my reading, I learned a new word. It’s mesofacts. These are facts that, when learned, seem to be dependable, longterm and applicable truths – when in fact, they are likely to change within a lifetime, and often within a few years.
In his Harvard Business Review article, Be Forwarned: Your Knowledge is Decaying Samuel Arbesman relates an example, a hedge fund manager saying in a conversation, “Since we all know that there are 4 billion people on the planet…” 4 billion people is what I learned when I was in school, and it still surprises me when I heard that it was up to 6 billion and now 7 billion.
Arbesman says that these mesofacts are far more common than we realize. It makes me wonder about how much of what we are expecting our students to memorize, will simply not be true in their adulthood, and may even be problematic.
This all supports something that I heard someone say a few years ago.
Any question, whose answer can be googled,
should not be on any test.
Another epiphanic statement, which may or may not be attributable to John Dewey is,
If we teach today’s students as we taught yesterday’s,
we rob them of their tomorrow.
Another word I learned is scientometrics. Its the study of the shape of how knowledge grows and spreads through a population.