showed a trendp = 0.0625
Mean participant age was also negatively associated with effect sizes ( β = −0.05, SE = 0.02, t(12) = −2.56, p = 0.0248, 95% CI [−0.09, −0.01]), whereas sample size showed a trend towards smaller effects in larger studies (β = −0.03, SE = 0.01, t(12) = −2.05, p = 0.0625, 95% CI [−0.05, 0.00]).