Table 1.

Participant characteristics.

Measures	Younger adults (N = 81F)		Older adults (N = 77F)		Statistical test
	M	SD	M	SD	F	p	${\mathrm{\eta }}_{\mathrm{p}}^{\mathrm{2}}$
DSSTa	120.11	13.77	74.34	21.44	234.37	<0.001	0.616
CRT	1.00	1.04	0.58	0.70	8.67	0.004	0.053
NFCC_2	21.77	4.83	28.12	5.39	61.00	<0.001	0.281
PANAS-X Scale
General positive affect	31.89	6.40	35.88	6.55	15.02	<0.001	0.088
General negative affect	15.15	6.19	13.75	5.93	2.09	0.150	0.013

DSST, Digit Symbol Substitution Test; CRT, Cognitive Reflection Test; NFCC_2, sum of the two subscales of Need for Cognitive Closure (Desire for Predictability and Preference for Order and Structure). ^aSample size for DSST was 71 for younger and 77 for older adults because data for this measure was not collected from 10 younger adults because of experimenters’ omissions.