Mental toughness has been my primary research interest over the last two years. It is a term that gets used frequently without having a strict definition or framework that explains what it is and what it ain't. In the internet age, a Wikipedia entry can provide consistency and clarity for a term. It's typically the first hit of a Google search. With that in mind, I've created a mental toughness page for Wikipedia.
Wikipedia is an open venture. Its strength lies in crowd-sourcing. I highly encourage people to update and edit this post, as it serves as a beginning framework.
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Mental toughness - a term commonly used by coaches, sport psychologists, sport commentators, and business leaders - generally describes a collection of attributes that allow a person to persevere through difficult circumstances (such as difficult training or difficult competitive situations in games) and emerge without losing confidence.
Mental toughness is a contested term, in that many people use the term liberally to refer to any set of positive attributes that helps a person to cope with difficult situations. Coaches and sport commentators freely use the term mental toughness to describe the mental state of athletes who persevere through difficult sport circumstances to succeed. Only within the past ten years has scientific research attempted a formal definition of mental toughness as a psychological construct.