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  2. Personal goals, life meaning, and virtue: Wellsprings of a positive life (2003). Robert A. Emmons
  3. Increasing well-being through teaching goal-setting and planning skills: results of a brief intervention (2008). Andrew K. MacLeod, Emma Coates, Jacquie Hetherton
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  5. Health-promoting behaviors: Psychometric properties of an assessment tool (2015). Catarina Cardoso Tomás1, Paulo Joaquim Pina Queirós2, Teresa de Jesus Rodrigues Ferreira
  6. New Directions in Goal-Setting Theory (2006). Edwin A. Locke, Gary P. Latham
  7. Promoting habit formation (2010). Philippa Lally, Benjamin Gardner
  8. What are the most effective intervention techniques for changing physical activity self-efficacy and physical activity behaviour—and are they the same? (2011). S. L. Williams, D. P. French
  9. More than Resisting Temptation: Beneficial Habits Mediate the Relationship between Self-Control and Positive Life Outcomes (2015). Brian M. Galla and Angela L. Duckworth
  10. How are habits formed: Modelling habit formation in the real world (2009). Phillippa Lally, Cornelia H. M. van Jaarsveld, Henry W. W. Potts, Jane Wardle
  11. Making health habitual: the psychology of ‘habit-formation’ and general practice (2012). Benjamin Gardner, Phillippa Lally, Jane Wardle