How can individuals and organizations understand and measure mental toughness to deal with stress and challenge, and so improve performance? This fully updated third edition of Developing Mental Toughness provides the answers to unlock this potential. Tracing its development from sports psychology into the business sector, Developing Mental Toughness provides a reliable psychometric measure to apply at the organizational level. With coverage on how mental toughness relates to other behaviours and can be applied to employability, leadership, performance, creativity, emotional intelligence and motivation, the practical guidance and exercises in this book make it essential reading for academics, managers and coaches alike. This third edition includes an expansion of the 4Cs model to include concepts on learning orientation and resilience and new chapters on evidence-based practice and using the Mental Toughness Questionnaire (MTQ48) to gain richer self-awareness. Featuring case studies from Deloitte and Ethiad, Developing Mental Toughness is the practical coaching guide for developing capabilities and resilience.