1. Efficacy of the theory of planned behaviour: a meta analytic review;Armitage;British Journal of Social Psychology,2001
2. Self-efficacy: The exercise of control;Bandura,1997
3. The theory of planned behaviour as predictor of exercise: the moderating influence of beliefs and personality variables;Bozionelos;Journal of Health Psychology,1999
4. Department of Health (2004). At least five a week – evidence on the impact of physical activity and its relationship to health – a report from the Chief Medical Office.
5. The theory of decision making;Edwards;Psychological Bulletin,1954