Moderator analyses indicated no statistically significant differences across delivery formats, cultural contexts, or risk of bias levels; control group type did not reach statistical significance as a moderator (Δ g = −0.47, p = .068), although point estimates were larger for passive than active controls.
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Effectiveness of savoring interventions: A systematic review and meta-analysis of randomized controlled trials.
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0.0680
0.0680
The sentences
The type of control group also approached significance, with active controls attenuating observed effects (Carr et al., 2020 ; Hendriks et al., 2018 ).