In the early 1990s, Anders Ericsson, a colleague of Neil Charness at Florida State University, coined the term “deliberate practice” to describe this style of serious study, defining it formally as an “activity designed, typically by a teacher, for the sole purpose of effectively improving specific aspects of an individual’s performance.”4 As hundreds of follow-up studies have since shown, deliberate practice provides the key to excellence in a diverse array of fields,
