I recently taught myself how to use some python-based computational
software as part of a new research project. This involves a combination of
reading online text tutorials and the software manual, while also perusing
python standard references. I did not watch a single video – it simply didn’t
occur to me to do so.
Perhaps that’s because when I first learned to code, or to use software,
there were no videos available. I read manuals and other people’s code, putzed
around by trial-and-error, and asked someone more knowledgeable if I was still
stuck. Maybe these are simply old habits carried over from yesteryear’s
technology. However, if I need to fix an appliance or cook something
unfamiliar, today I turn to YouTube. In yesteryear, I would read text-based
manuals or cookbooks or D.I.Y.-guides. But no longer. What’s going on here?
One reason might be how I (unconsciously) separate the type of work
involved. Coding and learning software are perhaps some sort of intellectual
activity, not requiring manual dexterity; while fixing an appliance requires my
mimicking a procedure I would otherwise be hopeless at figuring out – there’s a
reason I’m a computational chemist and not an experimentalist who works in lab.
There might be evolutionary reasons for how we learn or pick up biologically primary versus secondary skill sets.
Or maybe I’m biased in how I think disparately about the two types of
activity. When I’m fixing an appliance, it’s always at a rudimentary novice level
because I don’t do it often, have low self-confidence, avoid doing the work if
possible (my wife is both more competent and patient), and would never dream of
wanting handyman-D.I.Y. as a hobby or career. Learning how to use computational
software, on the other hand, is part of my job-career, and I see it as a
long-term investment. In contrast, D.I.Y.-fix to me is a one-time
get-it-out-of-the-way activity.
This made me think about how students approach learning chemistry. A
textbook, the equivalent of a text manual, is available – and I only select a textbook if I think it does a decent job. But many students use the text
sparingly, and as a last resort. The first resort is YouTube. Students have
shown me videos they find helpful, and often, these either resemble a repeat of
something I’ve done in class, or something covered (clearly in my opinion) in
the textbook. Maybe today’s generation is wired differently (I doubt it!) but maybe they think about learning chemistry the same way I think about
learning D.I.Y.
If I just mimic what I see in the video, I can do what the person in the
video can do – maybe that’s how the thinking goes. When I’m learning D.I.Y.,
I’m hoping to only do the activity once. If I have to do it a second time a few
months later, I will likely have to watch the video again. The skill isn’t
retained in long-term memory. To actually be good at it, I would need to
practice, practice, practice. But it’s not a priority in my life to be good at
D.I.Y. On the other hand, I care much more about my teaching-research
activities, and so I spend time practicing and learning through more
comprehensive reading materials.
Is learning chemistry an important priority for students in my classes?
If I were to answer this question honestly, I would say yes for a small number,
but no for most. Getting a ‘decent’ grade is the high priority, but that’s a
short-term goal. Perhaps it’s not surprising that students opt for YouTube over
the textbook. One might argue that the wired generation has shorter attention
span; that might be true – but when my students wax about an interest or hobby,
I find they can pay remarkable attention.
I brought up cooking in paragraph two and neglected to mention it
subsequently. That’s because I think it might offer a bridge (at least in my
life) between the two poles. I enjoy cooking, but as a fun activity – I’d never
want to do it as my job. I wouldn’t even classify it as a hobby, because I
don’t devote as much time and attention to it as I have in prior hobbies. The
YouTube cooking video serves two purposes. It teaches me a relatively simple
technique I can mimic, and what the result should look like. But it also serves
as a motivational reason for me to try this new thing (yes, I have a weakness
for food-porn). If I try something and like it, and I don’t think it’s too much
work (yes, I’m lazy), I will repeat cooking it again shortly after the first
time to solidify my learning. My repertoire has now increased.
But I’m not like the creative chefs I’ve seen on Chef’s Table. I don’t have the desire to research the
intricacies of tastes, textures and aromas. I do browse cookbooks, but mainly
for motivation if a photo catches my eye and the recipe doesn’t look
super-complicated. And that’s okay. But perhaps I can learn a lesson by
reflecting on all this. If I can help move some students to think about
chemistry less as D.I.Y. to be suffered through, and more like cooking, at
least in the way I experience these activities, maybe I should make a few
videos where I solve a chemistry problem but highlight in some way the
conceptual joy behind it. This is something I will be seriously pondering.
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