Feedback Loops
Improvement depends on information about the gap between intended and actual performance. Because performers are often blind to their own errors, an outside observer can supply the signal needed to correct them.
During practice, the person making a mistake may be the least able to see it—even while another person spots it immediately.
E1The blind spot inside performance
Acting and observing provide different information. From inside an activity, your attention is occupied by execution and filtered through what you intended to do; from outside, an observer can compare the visible result with the target. Feedback closes that gap by turning an unnoticed error into something you can correct on the next attempt. This is why repetition alone is weaker than deliberate practice: without an error signal, the loop cannot update.
E1Visibility is not infallibility
An observer may see mistakes that the performer misses, but that does not make every outside judgment correct. The useful boundary is whether the feedback identifies a specific gap between the intended result and the observed performance; unsupported opinion supplies no reliable correction signal.
E1Give one attempt an external pair of eyes
Choose one skill you are actively practising and ask someone to watch a single attempt. Tell them the result you intended, then ask them to identify one observable mismatch—not to give general advice. Use that mismatch as the target of your next attempt.
E1Episodes that teach this
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How to Become Expert in Anything? Deliberate Practice
· explained at 2:27
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"We are pretty bad at seeing what we are doing wrong ourselves and pretty good at seeing how others are making mistakes."