Wednesday, November 6, 2019

Learning is optimized when we fail 15% of the time -- ScienceDaily


As a junior varsity high school tennis coach I tell the players that they should look at losing matches as an opportunity to learn what they can do to improve their game. (I tell myself that too when I play tennis matches.) If the players can learn from losses they still win in the long run even though they lost the latest match. (I’d also say they can also learn from wins by looking at what they can improve. I do this by keeping a journal in which I rate whether I improved in technique, tactics and mental parts of my game and rate what needs to be improved.)

The Science Daily article links to a paper titled The Eight Five Percent Rule for optimal learning that is fairly technical. The Science Daily article summarizes:

Educators and educational scholars have long recognized that there is something of a "sweet spot" when it comes to learning. That is, we learn best when we are challenged to grasp something just outside the bounds of our existing knowledge. When a challenge is too simple, we don't learn anything new; likewise, we don't enhance our knowledge when a challenge is so difficult that we fail entirely or give up.
So where does the sweet spot lie? According to the new study, to be published in the journal Nature Communications, it's when failure occurs 15% of the time. Put another way, it's when the right answer is given 85% of the time.

So we optimize our learning if we fail about one out of six times. Good to know!

I believe these results parallel what it takes to achieve a state of mind that is called Flow, a concept identified by Mihaly Csikszentmihalyi, a Hungarian-American psychologist. The Wikipedia entry describes flow as “the mental state of operation in which a person performing an activity is fully immersed in a feeling of energized focus, full involvement, and enjoyment in the process of the activity. In essence, flow is characterized by the complete absorption in what one does, and a resulting loss in one's sense of space and time.”

I say that there is a connection between optimal learning and flow because achieving a flow state requires facing a task that challenges you without being daunting. The Positive Psychology website explains: “an optimal Flow state was created when people tackled challenges that they perceived to be at just the right level of ‘stretch’ for their skill sets. In other words, neither too tough nor too easy as to be boring.”

Putting together the findings on optimal learning and flow it appears that both need a “Goldilocks” challenge: one that stretches you to achieve flow and reveals what you need to improve for the next time.


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