Behavior Change Techniques Cluster 1— Goals and Planning 1.9. Commitment Definition:Ask the person to affirm or reaffirm statements indicating commitment to change the behavior. Papers that utilize this BCT: Buttery et al. (2022)Etter & Perneger (2001)Gilbert et al. (2013)Kingakew et al. (2018)Lin et al. (2019)Matthews et al. (2013)McDonnell et al. (2011) Meacham et al. (2021) Myers et al. (2020)Orleans et al. (1998) Pardavila-Belio et al. (2015)Ratschen et al. (2018)