. Author manuscript; available in PMC: 2014 Jun 25.

Published in final edited form as: J Mem Lang. 2012 Feb 3;66(3):416–437. doi: 10.1016/j.jml.2011.12.001

Table 10.

Correlations among drift rates differences and IQ.

Participant group	Condition	Related priming difference (Rp)	Non-related priming difference (Np)	Item difference old-new (I)	Associative difference related pairs (Ra)	Associative difference non-related pairs (Na)
College age	IQ	0.06	–0.05	0.49	0.40	0.48
	Rp		0.08	0.37	0.33	0.18
	Np			0.34	0.17	0.16
	I				0.71	0.66
	Ra					0.73
60–74 year olds	IQ	0.31	0.05	0.58	0.24	0.48
60–74 year olds	Rp		0.19	0.51	0.32	0.34
	Np			0.20	0.06	0.15
	I				0.68	0.66
	Ra					0.67
75–90 year olds	IQ	0.27	–0.17	0.68	0.68	0.24
75–90 year olds	Rp		0.05	0.35	0.18	–0.11
	Np			–0.20	–0.23	–0.12
	I				0.54	0.33
	Ra					0.35

Critical value of the correlation coefficient for 39 df = .30. The bold correlations are significant.