Traditionally, professional expertise has been judged by length of experience, reputation,
and perceived mastery of knowledge and skill. Unfortunately, recent research demonstrates …

This chapter reviews the effects on attained performance from engagement in different types
of domain-related activities, such as playing games, professional experience, solitary …

As a part of a special collection in this issue of Academic Medicine, which is focused on
mastery learning in medical education, this Perspective describes how the expert …

Contests are a historically important and increasingly popular mechanism for encouraging
innovation. A central concern in designing innovation contests is how many competitors to …

Abstract Twenty years ago, Ericsson, Krampe, and Tesch-Römer (1993) proposed that
expert performance reflects a long period of deliberate practice rather than innate ability, or …

In this updated and expanded edition of The Cambridge Handbook of Expertise and Expert
Performance, some of the world's foremost experts on expertise share their scientific …

The modeling of item response data is governed by item response theory, also referred to as
modern test theory. The eld of inquiry of item response theory has become very large and …

The superior skills of experts, such as accomplished musicians and chess masters, can be
amazing to most spectators. For example, club-level chess players are often puzzled by the …

In this paper we present a model for computerized adaptive practice and monitoring. This
model is used in the Maths Garden, a web-based monitoring system, which includes a …

Giftedness researchers have long debated whether there is empirical evidence to support a
distinction between giftedness and attained level of achievement. In this paper we propose a …