PSYC 4030 Lecture Notes - Lecture 12: Carl Bereiter
1 May 2018
School
Department
Course
Professor
PSYC 4030
Lecture 12
How long does it typically take to acquire
expertise? According to Scardamalia & Bereiter
(1993), how do you become an expert versus an
experienced nonexpert?
Estimated that it takes about
10,000 hours of practice or
about ten years to attain high
levels of expertise.
Scardamalia and Bereiter
(1993) • Two “Paths”
• 1) Reinvestment of mental resources.
o A) As you become more experienced with a given task,
this frees up mental resources. What is crucial is what
you do with these extra resoucres
• 2) Progressive Problem Solving vs. Problem
Reduction
o A.) Progressive Problem Solving (leads to
expertise)—Take on increasingly challenging problems
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