“…To address the problem of limited availability of control groups in community-based intervention settings, a benchmarking strategy is gaining attention in clinical psychology (Minami, Wampold, Serlin, Kircher, & Brown, 2007;Spilka & Dobson, 2015) and social work (Rubin, 2014;Rubin et al, 2014;Rubin & Yu, 2015). This strategy involves calculating within-group effect sizes for clients treated in settings where control groups are not feasible, and comparing them to within-group effect-size benchmarks which have been calculated from synthesizing existing RCT data.…”