Table 4.

Planned comparisons on the PM Task accuracy.

	t	df	p	d
Young vs. Old
Ecological time-based	2.50	34.67	0.020*	0.72
Ecological event-based	2.87	30.39	0.007**	0.86
LDT	5.09	32.87	0.000***	1.51
Time- vs. event-based PM
Young	−0.28	23	0.78	−0.06
Old	−0.19	22	0.86	−0.04

PM, prospective memory; LDT, lexical decision task.

^*p < 0.05;

^**p < 0.01;

^***p < 0.001.