“…Firstly, data was pooled from 16 studies that reported unadjusted data (Arden and Armitage, 2012;Armitage, 2009;Armitage, 2015;Armitage and Arden, 2012;Armitage and Arden, 2016a;Armitage and Arden, 2016b;Armitage et al, 2011;Armitage et al, 2014;Caudwell et al, 2018;Ehret and Sherman, 2018;Hagger et al, 2012a;Hagger et al, 2012b (3 samples); Murgraff et al, 2007;Rivis et al, 2013) and included 2055 individuals (students and general population). The effect size for alcohol use was g=0.31 (95% CI: 0.21, 0.42), p< .001, indicating that implementation intentions had a small but significant effect in reducing alcohol consumption (Figure 2).…”