“…For example, Young et al 2017 Nineteen studies executed a promotional effort to encourage consumers to act (Lee and Kotler, 2011). The most commonly used persuasive communication efforts were informational program brochures (Bernstad, 2014, Bernstad et al, 2013, Dai et al, 2015, Devaney and Davies, 2017, Geislar, 2017, Huang et al, 2018, Jagau and Vyrastekova, 2017, Kawai and Huong, 2017, Lim et al, 2017, Linder et al, 2018, Morone et al, 2018, Nomura et al, 2011, Rousta et al, 2015, Schmidt, 2016, Shearer et al, 2017, Young et al, 2017) followed by monetary rewards including gift vouchers (Romani et al, 2018) and tokens that could be exchanged for goods (Dai et al, 2016). Bench et al (2005) promoted sales by offering a free kitchen caddy to assist the use of the program product (i.e.…”