Knowledge guides attention to goal-relevant information in older adults

Smith, Maverick E.; Loschky, Lester C.; Bailey, Heather R.

doi:10.1186/s41235-021-00321-1

Table 4 Table of fixed effects for recognition, order, and free recall memory performance as a function of age group, activity type, and proportion of dwell time in the goal-relevant AOIs

From: Knowledge guides attention to goal-relevant information in older adults

Fixed effect	β	SE	t	p
Proportion of A1 units recalled
Intercept	0.16	0.01	30.04	< .001***
Age group	− 0.04	0.01	− 6.85	< .001***
Activity type	− 0.01	0.01	− 1.06	.29
Proportion of dwell time	0.13	0.06	2.28	.02*
Age group*activity type	0.02	0.01	3.32	< .01**
Age group*proportion of dwell time	0.08	0.06	1.40	.16
Activity type*proportion of dwell time	0.06	0.06	1.02	.31
Age groupactivity typeproportion of dwell time	0.05	0.06	0.81	.42
Proportion of A2 units recalled
Intercept	0.42	0.08	5.29	.03*
Age group	− 0.06	0.01	− 4.33	< .001***
Activity type	0.08	0.08	1.04	.41
Proportion of dwell time	0.25	0.12	2.00	.04*
Age group*activity type	0.03	0.01	3.67	< .001***
Age group*proportion of dwell time	− 0.15	0.10	− 1.47	.14
Activity type*proportion of dwell time	− 0.02	0.10	− 0.18	.86
Age groupactivity typeproportion of dwell time	0.12	0.09	1.31	.19
Proportion correct recognition memory
Intercept	0.66	0.06	10.27	.01**
Age group	− 0.03	0.01	− 2.35	.02*
Activity type	0.03	0.06	0.43	.71
Proportion of dwell time	0.00	0.12	− 0.01	.99
Age group*activity type	0.01	0.01	1.36	.18
Age group*proportion of dwell time	− 0.12	0.10	− 1.17	.24
Activity type*proportion of dwell time	0.10	0.11	0.98	.33
Age groupactivity typeproportion of dwell time	0.05	0.09	0.60	.55
Proportion correct order memory
Intercept	0.86	0.05	19.07	< .01**
Age group	− 0.03	0.01	− 4.46	< .001***
Activity type	0.00	0.04	0.01	.99
Proportion of dwell time	0.05	0.08	0.70	.49
Age group*activity type	0.01	0.01	1.83	.07
Age group*proportion of dwell time	− 0.03	0.07	− 0.51	.61
Activity type*proportion of dwell time	− 0.07	0.06	− 1.03	.31
Age groupactivity typeproportion of dwell time	− 0.01	0.05	− 0.16	.87

Age group and activity type were effect coded as Young = − 1 and Older = + 1 before entry into the mixed model as fixed effects. We centered the proportion of dwell time in the areas of interest at its mean prior to entry into the analysis
*p < .05; **p < .01; ***p < .001

Back to article page