Amazingly though, research by Anders Ericsson that examined the practice sessions of elite violinists clearly showed that the best performers were not spending more time on the violin, but rather were being more productive during their practice sessions.
If you were trying to get better at basketball, you’d be much better off practicing specific drills for two hours rather than shooting hoops all day long.
One method is to use an Accountability Chart to track what work you’ve completed during your 90-minute productive sessions, similar to how the dieters tracked their food consumption.
What do you think? Have you used any of the ideas above in your life?