Table 4.

Effect size (Cohen’s d) and 95% confidence intervals for ΔElaboration following QMT (left) and OMM (right) in each class.

	QMT			OMM
	Cohen’s d	Lower CI	Upper CI	Cohen’s d	Lower CI	Upper CI
5th grade	−0.06	−0.56	0.44	0.08	−0.42	0.59
6th grade	0.39	−0.14	0.91	0.23	−0.28	0.74
7th grade	−0.06	−0.71	0.58	0.06	−0.58	0.72
8th grade	0.20	−0.40	0.79	−0.13	−0.72	0.46