Analysis of information sources in references of the Wikipedia article "Child prodigy" in English language version.
For the purposes of this and future research, a prodigy was defined as a child younger than 10 years of age who has reached the level of a highly trained professional in a demanding area of endeavor.
At the moment, the most widely accepted definition is a child, typically under the age of 10, who has mastered a challenging skill at the level of an adult professional.
