Table 2.

Estimated parameter values (means and standard errors) for Model 1 in young and older adults for the recent-probes task

Parameters	Young Adults		Older Adults
	M	SE	M	SE
Drift rate
Positive	0.366	0.025	0.304	0.020
Non-recent negative	0.290	0.017	0.255	0.014
Recent negative	0.230	0.014	0.196	0.011
Boundary separation	0.176	0.010	0.229	0.007
Nondecision time	0.304	0.011	0.455	0.023