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The work presented in this thesis represents an attempt to address these issues using both psychometric and experimental approaches. Preliminary work investigated the psychometric basis for the construct of mental toughness and enabled the development of a multidimensional measurement tool. This work was followed by a series of four experiments: The first two experiments focused on the moderating effects of mental toughness on the impact of physical and cognitive stressors, and the final two experiments considered the changes in mental toughness in individuals facing new life challenges and a mental toughness training programme. Both experimental and psychometric analyses supported the proposition of a meaningful construct with real world applications. The evidence in support of a psychometrically sound construct was particularly strong and the beneficial effects of superior mental toughness were highlighted in both the physical and cognitive studies undertaken. 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Both experimental and psychometric analyses supported the proposition of a meaningful construct with real world applications. The evidence in support of a psychometrically sound construct was particularly strong and the beneficial effects of superior mental toughness were highlighted in both the physical and cognitive studies undertaken. Most importantly, in terms of applied sport and occupational psychology, self ratings of mental toughness and objective performance were enhanced following exposure to appropriate psychological skills training."]},{"key":"dc:title","label":"Title","values":["The construct of mental toughness : a psychometric and experimental analysis"]}]}],"canonical_facts":{"dc:contributor.advisor":["Clough, Peter (Psychologist)"],"dc:creator":["Earle, Keith"],"dc:date":["2007-05-01"],"dc:date.issued":["2007"],"dc:description.abstract":["Mental toughness is a familiar and commonplace term in both the sporting arena and the workplace. 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