Cluster 15 — Self-Belief Behavior Change Techniques 15.4. Self-talk Definition:Prompt positive self-talk (aloud or silently) before and during the behavior Papers that utilize this BCT: Allen et al. (2018)Armitage (2008)Brooks et al. (2018) Cook et al. (2016)Cooney et al. (2015)Cummings et al. (1988)Dingle & Carter (2017)Etter & Perneger (2001)Ferketich et al. (2014)Galvin (1997) Gilbert et al. (2013)Hassandra et al. (2017)Kingakew et al. (2018)Klemperer et al. (2017)Lin et al. (2019)McDonnell et al. (2011) Naughton et al. (2012) Neuner et al. (2009)Pardavila-Belio et al. (2015)