

The 70% Rule: Why Practicing Shouldn’t Be Too Easy
Mar 23, 2025
Exploring the relationship between mistakes and learning reveals that they may be essential for growth. The concept of a 'challenge sweet spot' suggests that practicing at a 70% success rate can lead to better performance. This idea challenges the traditional notion that practice should be easy and mistake-free. Discover how feeling a little challenged during practice can actually enhance your skills and overall performance.
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Teacher's Challenge Sweet Spot Anecdote
- A teacher once said, if practicing feels easy, it's probably wrong. This refers to aiming for a challenge sweet spot in practice.
Challenge Sweet Spot Concept
- The challenge sweet spot is where practice isn't so easy you succeed effortlessly, nor so hard you want to quit. Finding this balance avoids boredom and discouragement.
85% Success Learning Rate
- A study found the fastest learning rate occurs at about 85% success and 15% error for perceptual skills. It's uncertain if this applies to motor skills too.