. Author manuscript; available in PMC: 2016 Sep 1.

Published in final edited form as: Dev Rev. 2015 Sep 1;37:41–65. doi: 10.1016/j.dr.2015.05.001

Table 4.

Moderator analyses (continuous variables)

		B value	SE	95% CI	Z	p-value
Number of sessions
	External	0.004	0.01	[−0.01; 0.01]	0.81	0.42
	Mental	0.01	0.01	[−0.01; 0.02]	1.13	0.26
	Reflective	−0.003	0.004	[−0.01; 0.004]	−0.84	0.40
Length of each Session (hours)
	External	−0.17	0.12	[−0.39; 0.06]	−1.44	0.15
	Mental	0.55	1.54	[−2.46; 3.56]	0.36	0.72
	Reflective	0.19	0.08	[0.04; 0.33]	2.46^*	<0.05
Length of Training period (months)^a
	External	0.03	0.03	[−0.03; 0.09]	0.98	0.33
	Mental	0.11	0.09	[−0.07; 0.28]	1.19	0. 24
	Reflective	−0.01	0.03	[−0.07; 0.05]	−0.43	0.67
Year of publication
	External	<0.001	0.02	[−0.04; 0.04]	−0.01	0.99
	Mental	−0.02	0.02	[−0.07; 0.02]	−1.01	0.31
	Reflective	−0.03	0.01	[−0.05; −0.01]	−2.66^**	<0.01
Posttest Delay (weeks)^aa
	External	0.10	0.08	[−0.06; 0.26]	1.25	0.21
	Mental	0.10	0.11	[−0.01; 0.31]	1.00	0.32
	Reflective	−0.19	0.06	[−0.32; −0.07]	−3.09^**	<0.01

Note.

p < 0.05,

^**

p < 0.01,

^***

p < 0.001

Excluded: Bauminger 2007a (group), Peng et al. 1992 study 1 and 2, and Tenenbaum et al. 2008; because there are no information provided

^aa

Excluded: DeLuca, 2004, and Steerneman and Huskens, 1996, Study 1 and 2, since no information provided.