From the time he or she begins college, it takes the average candidate approximately 10 years to earn a Ph.D., a degree denoting expert knowledge in a specific area. How well does this accord with research on the development of expertise?
A) Not well-research shows it takes nearly 20 years to become an expert in a given domain.
B) Not well-5 years is generally sufficient to become an expert in a given field.
C) Not well-the notion of expertise is hopelessly subjective. One cannot say how long it takes to become an expert.
D) Quite well-10 years seems to be about how long it takes to become an expert in a given field.

Question

Quizplus · Accepted Answer

Research on the development of expertise, such as the work of psychologist K. Anders Ericsson, suggests that it takes about 10 years of deliberate practice to become an expert in a given field, aligning with the timeline for earning a Ph.D.

From the Time He or She Begins College, It Takes