Table 3.

Results for Overall Effect Size, and Effect Size Separated by Mental status, Training Modules and Transfer

	g	95% CI	k	p	Qw (df)	I2
Overall
Overall Net Gain (g)	0.28	0.23–0.33	215	<0.01	1062.4 (214)	79.86%
Net Gain Effects Separated by Mental Status and Training Modules
Mental Status
HA	0.28	0.22–0.34	161	<0.01	903 (160)	82.28%
MCI	0.27	0.18–0.37	54	<0.01	159.4 (53)	66.75%
Training Modules
Single-component	0.29	0.23–0.36	112	<0.01	465.86 (111)	76.17%
Multi-component	0.26	0.18–0.33	103	<0.01	507.9 (102)	79.92%
Transfer
Near	0.37	0.3–0.44	173	<0.01	1929.1 (172)	91.08%
Far	0.22	0.16–0.27	141	<0.01	795.77 (140)	82.41%
Transfer by Training Modules
Near: Single-component	0.36	0.27–0.45	90	<0.01	1045.7 (89)	91.49%
Far: Single-component	0.2	0.12–0.29	70	<0.01	377.81 (69)	81.74%
Near: Multi-component	0.38	0.26–0.51	83	<0.01	867.6 (82)	90.55%
Far: Multi-component	0.23	0.15–0.30	71	<0.01	407.94 (70)	82.84%
Mental Status by Training Modules
HA: Single-component	0.30.23–0.37		94	<0.01	519.86 (93)	84.03%
HA: Multi-component	0.24	0.15–0.34	67	<0.01	373.3 (66)	82.32%
MCI: Single-component	0.27	0.17–0.36	18	<0.05	22.61 (17) **	24.81%
MCI: Multi-component	0.29	0.18–0.4	36	<0.01	134.33 (35)	73.94%
Transfer by Mental Status
Near: HA	0.38	0.14–0.47	139	<0.01	420.96 (138)	85.44%
Far: HA	0.22	0.15–0.34	115	<0.01	402.88 (114)	82.34%
Near: MCI	0.27	0.07–0.46	38	<0.05	166.23 (37)	76.92%
Far: MCI	0.18	0.04–0.45	26	<0.01	134.33 (25)	73.94%

Note:

^*indicates significant between-group heterogeneity test at p<.05.

^**indicates non-significant within-group heterogeneity test at p<.05. HA=Healthy Aging. MCI=Mild Cognitive Impairment.