Table 5.

F values and partial eta squared (η²) effect sizes for interactions of quartile at T1 and time (T1 vs. T2) on composite scores

	Session 2		Session 3
	F	η2	F	η2
Memory
Age 18–39	1.33	.03	0.08	.00
Age 40–59	0.28	.00	1.16	.01
Age 60–79	0.74	.00	0.20	.00
Age 80–97	0.41	.04	0.98	.12
Speed
Age 18–39	5.23*	.00	0.16	.00
Age 40–59	0.80	.05	1.05	.01
Age 60–79	1.60	.01	1.16	.01
Age 80–97	0.09	.09	0.35	.02
Reasoning
Age 18–39	2.06	.05	2.53	.07
Age 40–59	0.80	.01	0.11	.00
Age 60–79	1.02	.02	2.36	.03
Age 80–97	1.68	.15	0.81	.07
Space
Age 18–39	0.70	.02	0.18	.01
Age 40–59	0.67	.01	0.55	.01
Age 60–79	0.75	.01	0.67	.01
Age 80–97	0.54	.05	0.52	.04
Vocabulary
Age 18–39	3.70	.08	6.61*	.14
Age 40–59	2.11	.02	1.23	.01
Age 60–79	1.78	.02	0.20	.00
Age 80–97	1.21	.08	0.43	.03

^*p<.01