Groups 4 Health Part II: What Are the Mechanisms Through Which a Social Identity Intervention Improves Health?

Cruwys, T. (Australian National University), Haslam, C. (University of Queensland), Rathbone, J. (University of Queensland), Williams, E. (University of Queensland), Haslam. A. (University of Queensland)

Demonstrating the success of an intervention is key in its adoption. However, it is also important to identify the mechanisms through which interventions achieve their outcomes so it can be appropriately targeted. In this second part of the G4H presentation, we will first describe preliminary data from a Phase III Randomised Controlled Trial comparing Groups 4 Health to Cognitive Behaviour Therapy among young people with depression and loneliness. These data, together with that from the two studies described in Part I, were then used to explore how Groups 4 Health works, and for whom it is most effective. The findings supported the Social Identity Model of Identity Change, indicating that increased social identification with the therapy group and increased multiple group memberships are the mechanism of action through which Groups 4 Health shows benefits.

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Making Good Theory Practical Symposium