Table 1.

Grand-Mean (±SE) Accuracy Rates, Memory Sensitivity (Pr), Response Bias (Br), and Number of Words Recalled for the Full Attention (FA), Divided Attention Early (DA1), and Divided Attention Late (DA2) Recognition Tests

Encoding condition	%Olds	Pr*	Br*	Free recall
FA	87.3 (1.8)	.73 (.03)	.46 (.06)	12.2 (0.9)
DA1 (300–850 ms)	76.3 (2.6)	.61 (.03)	.39 (.04)	7.8 (0.9)
DA2 (850–1,400 ms)	75.3 (2.8)	.58 (.03)	.41 (.05)	8.2 (1.0)
Nessler et al. (2006) older adults	70.8 (4.1)	.57 (.04)	.34 (.07)
Nessler et al. (2006) young adults	81.1 (2.6)	.73 (.03)	.29 (.04)

Note. Older and young adult data from the high-selection condition of Nessler et al. (2006) are shown for comparison. %Olds = % old words correctly recognized; Pr = hits – false alarms; Br = false alarms/[1 – (hits – false alarms)]; (Snodgrass & Corwin, 1988).

^*All values significantly different from zero via t test (ps < .0001).