. Author manuscript; available in PMC: 2013 Mar 1.

Published in final edited form as: J Exp Psychol Learn Mem Cogn. 2012 Mar;38(2):513–523. doi: 10.1037/a0025880

Table 3.

Sum of the chi-squares across individual data and percentage of individuals who are better explained by the UVSD model

		Σ _χ²		%

Data	ss	UVSD	DPSD	UVSD	DPSD
K&Y	32	251.73	242.98	47	53
Exp 1	22	202.56	238.48	64	36
Exp 2	17	105.46	132.52	59	41
Jang et al. (2011)	35	343.46	409.49	69	31

Note. UVSD = unequal-variance signal-detection model; DPSD = dual-process signal-detection model; K&Y = Koen and Yonelinas (2010); Exp = experiment; ss = number of subjects.