The second edition of this very popular book is an expanded and updated review of the most up to date research in the field, covering Social Cognition models and Health Behaviours, It includes: Two completely new chapters on Volitional Models and Stage Models. Fully revised for recent developments, including focus on behaviour change, interest in process models, volitional influences on behaviour. This edited text boasts some of the leading names in the field and is key reading for advanced undergraduate and postgraduate students, health promoters, health psychologists and others working in health behaviour.