Research on the Development of Expertise Reveals That, in General

Multiple Choice

Research on the development of expertise reveals that, in general,

A) experts were born with their special talent.
B) it takes about 1-2 years of concentrated effort to become an expert in most fields.
C) it takes about 10 years of concentrated effort to become an expert in most fields.
D) it takes about 20 years of concentrated effort to become an expert in most fields.