Table 2.
Weighted effect sizes aggregated over outcomes per study.
| N | Hedges g | Standard error | 95% CI | Z -value | p | ||
|---|---|---|---|---|---|---|---|
| LL CI | UL CI | ||||||
| Ballesteros-Sánchez et al. (2019) | 30 | 0.44 | 0.15 | 0.15 | 0.73 | 3.01 | 0.003 |
| Bright and Crockett (2012) | 127 | 0.24 | 0.06 | −0.18 | 0.78 | 1.21 | 0.226 |
| Evers et al. (2006) | 60 | 0.26 | 0.10 | 0.05 | 0.46 | 2.44 | 0.014 |
| Finn (2007) | 17 | 0.98 | 0.29 | 0.41 | 1.56 | 3.36 | 0.001 |
| Fontes and Dello Russo (2021) | 53 | 0.44 | 0.13 | 0.19 | 0.70 | 3.38 | 0.001 |
| Grant et al. (2009) | 41 | 0.61 | 0.20 | 0.21 | 1.01 | 3.00 | 0.003 |
| Grant et al. (2010). | 44 | 0.92 | 0.21 | 0.52 | 1.32 | 4.47 | < 0.001 |
| Kochanowski et al. (2010) | 93 | 0.12 | 0.13 | −0.13 | 0.37 | 0.95 | 0.340 |
| Ladegard and Gjerde (2014) | 30 | 1.50 | 0.34 | 0.83 | 2.18 | 4.37 | 0.000 |
| MacKie (2014) | 31 | 0.38 | 0.36 | −0.32 | 1.07 | 1.06 | 0.287 |
| McGonagle et al. (2014) | 48 | 0.53 | 0.15 | 0.23 | 0.83 | 3.44 | 0.001 |
| McGonagle et al. (2020) | 50 | 0.38 | 0.11 | 0.17 | 0.59 | 3.58 | < 0.001 |
| Moen and Federici (2012) | 19 | 1.07 | 0.24 | 0.60 | 1.54 | 4.46 | < 0.001 |
| Moen and Skaalvik (2009) | 108 | 0.40 | 0.15 | 0.10 | 0.70 | 2.58 | 0.010 |
| O'Connor and Cavanagh (2013) | 102 | 0.30 | 0.25 | −0.19 | 0.79 | 1.21 | 0.227 |
| Richardson (2010) | 18 | 0.62 | 0.35 | −0.05 | 1.30 | 1.81 | 0.070 |
| Williams and Lowman (2018) | 32 | 0.57 | 0.17 | 0.23 | 0.92 | 3.25 | 0.001 |
| Smither et al. (2003) | 1,229 | 0.35 | 0.12 | −0.67 | 0.69 | 0.03 | 0.973 |
| Zanchetta et al. (2020) | 70 | 0.86 | 0.17 | 0.52 | 1.20 | 4.92 | < 0.001 |
| Peláez Zuberbuhler et al. (2020) | 38 | 0.73 | 0.19 | 0.35 | 1.11 | 3.77 | < 0.001 |
| Random effects model | 0.43 | 0.04 | 0.35 | 0.51 | 11/05 | < 0.001 | |
N, analyzed sample size; LLCI, lower limit for the 95% confidence interval for g; ULCI, upper limit for the 95% confidence interval for g. The bold values indicate the aggregated results across outcomes.