Table 3.

Group effects for objective measures: main effect of Group in Mixed Analysis of Covariance (ANCOVA) examining effect of Group across all three post-training assessments, with Post hoc One Way ANCOVAs examining effect of Group for each post-training assessment separately.

	Mixed ANCOVA: effect of group across all three post-training assessments	One Way ANCOVA
		Post-training assessment	Follow up 3 months	Follow up 6 months
SHORT-TERM AND WORKING MEMORY
Digit span forwards	F(1, 23) = 23.65, p < 0.001, η2 = 0.51	F(1, 33) = 10.35, p = 0.003, η2 = 0.24	F(1, 27) = 18.14, p < 0.001, η2 = 0.4	F(1, 23) = 15.86, p = 0.001, η2 = 0.41
Digit span reverse	F(1, 23) = 2.15, p = 0.16, η2 = 0.09	F(1, 33) = 1.75, p = 0.2, η2 = 0.05	F(1, 27) = 3.18, p = 0.09, η2 = 0.11	F(1, 23) = 1.1, p = 0.31, η2 = 0.05
Letter-number sequencing	F(1, 23) = 1.07, p = 0.31, η2 = 0.04	F(1, 33) = 1.81, p = 0.19, η2 = 0.05	F(1, 27) < 1, η2 = 0.02	F(1, 23) < 1, η2 = 0.01
EPISODIC MEMORY
Word recall immediate	F(1, 23) = 3.37, p = 0.079, η2 = 0.13	F(1, 33) = 4.68, p = 0.04, η2 = 0.12	F(1, 27) = 2.7, p = 0.11, η2 = 0.09	F(1, 23) = 2.55, p = 0.12, η2 = 0.1
Word recall delayed	F(1, 23) = 2.73, p = 0.11, η2 = 0.11	F(1, 33) = 4.37, p = 0.04, η2 = 0.12	F(1, 27) = 1.18, p = 0.29, η2 = 0.04	F(1, 23) = 1.87, p = 0.18, η2 = 0.08
Story recall immediate	F(1, 23) = 1.08, p = 0.31, η2 = 0.05	F(1, 33) = 2.09, p = 0.16, η2 = 0.06	F(1, 27) < 1, η2 = 0.002	F(1, 23) < 1, η2 = 0.007
Story recall delayed	F(1, 22) = 1.71, p = 0.2, η2 = 0.07	F(1, 33) = 1.62, p = 0.21, η2 = 0.05	F(1, 27) < 1, η2 = 0.02	F(1, 22) < 1, η2 = 0.01