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The Power Law in Practicing

There were some very good comments on, "Is Exponential Growth Possible?." Kimsia linked to this interesting academic paper on learning - http://acs.ist.psu.edu/papers/ritterS01.pdf

It's fairly intuitive and not groundbreaking, but there's a few really interesting points in there.

The basic idea behind the paper is that the more you practice a skill, the faster you get at it - but the gains slow down and flatten out over time.

The pattern is a rapid improvement followed by ever lesser improvements with further practice. Such negatively accelerated learning curves are typically described well by power functions, thus, learning is often said to follow the "power law of practice". Not shown on the graph, but occurring concurrently, is a decrease in variance in performance as the behavior reaches an apparent plateau on a linear plot. This plateau masks continuous small improvements with extensive practice that may only be visible on a log-log plot where months or years of practice can be seen. The longest measurements suggests that for some tasks improvement continues for over 100,000 trials.

Course Books for Abacus Students

On The Tan Duck

Master Mind Abacus offers uniquely conceptualized books for teaching the students. These books are structured to provide complete benefits of Abacus to students. The books are incorporated with everyday’s practice (i.e. for weekly classes), along with practice sheets for weekdays to be exercised at home.

The course content is systematic and organized level wise (for all the 10 levels). This ensures the right method of both teaching and learning Abacus for kids.

The books are structured for children between the ages of 4 to 14 years. For engaging students into the practice and guarantying longer participation, we have also built in games after each session. These games involve mental arithmetic practice of complex numeric problems in the form of riddles or puzzles.

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