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Rose Walker

Abstract

Obesity is a rising issue worldwide which is linked with the development of Non-Communicable Diseases (Scully, 2014). There is a wide evidence base for the use of physical activity to improve health (Warbuton, Nicole & Bredin, 2006). This research is utilising the Internet to deliver a physical activity intervention using self-affirmation to increase message acceptance. The self-affirmation theory (Steele, 1988) states that reflection of a person’s positive traits may reduce defensiveness about a threatening message. Epton and Harris (2008), and Fielden (2012) have shown self-affirming to lead to reduced defensiveness about health messages and also behaviour change. This research is a progression and is aiming to show similar findings with physical activity. Participants completed a series of questionnaires to determine their physical activity levels before being randomly allocated to either an affirmation or control group. Participants completed a manipulation check before completing a log of physical activity (n=34). The same questionnaires were then asked at 7 days (n=26) and 14 days (n=23). Results demonstrated no significant increase in physical activity. Self-affirmation has shown to work best on those who are most ‘at-risk’ and participants already showed to be participating in physical activity. Limitations and suggestions for further research, such as the use of an ‘at risk’ population are discussed.

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Section
Articles