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|Title: ||The effect of need supportive text messages on motivation and physical activity behaviour|
|Authors: ||Kinnafick, Florence-Emilie|
Duda, Joan L.
|Issue Date: ||2016|
|Publisher: ||© The Authors. Published by Springer.|
|Citation: ||KINNAFICK, F-E., THOGERSEN-NTOUMANI, C. and DUDA, J.L., 2016. The effect of need supportive text messages on motivation and physical activity behaviour. Journal of Behavioral Medicine, 39(4), pp. 574-586.|
|Abstract: ||© 2016, The Author(s).Few short messaging service (SMS) studies to support behaviour change have used a theoretical underpinning. Using a self-determination theory perspective, we explored the effects of need supportive (NS) SMS on physical activity in 65 (BMI = 24.06 kg/m2, SD = 5.49; M = 25.76 years, SD = 10.23) insufficiently active individuals embarking on an existing exercise programme. For 10 weeks participants were randomised to an intervention group (NS) or control group (neutral). SMS were sent twice weekly, randomly, via an online SMS service. Mixed design ANCOVA and MANCOVA analyses of measures taken at baseline, mid and post intervention revealed increased levels of perceived autonomy support and psychological need satisfaction in the intervention group post intervention. Both groups reported increases in intrinsic motivation from pre to post intervention. Moderate intensity physical activity was greater in the intervention than the control group at 4-month post intervention with control group returning to baseline levels. Findings provide preliminary causal evidence to support the use of NS SMS to optimise physical activity behaviour change in individuals who are insufficiently active.|
|Description: ||This is an Open Access Article. It is published by Springer under the Creative Commons Attribution 4.0 Unported Licence (CC BY). Full details of this licence are available at: http://creativecommons.org/licenses/by/4.0/|
|Publisher Link: ||http://dx.doi.org/10.1007/s10865-016-9722-1|
|Appears in Collections:||Published Articles (Sport, Exercise and Health Sciences)|
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