. Author manuscript; available in PMC: 2021 Oct 1.

Published in final edited form as: J Int Neuropsychol Soc. 2021 Jul;27(6):621–636. doi: 10.1017/S1355617721000631

Table 3.

Bivariate correlations between demographic variables and pre-initiation RAVLT and IGT performance metrics

Pre-initiation variable	RAVLT Total Learning (Trials 1–5)	RAVLT New Learning (Trial 1, List B)	RAVLT 30-minute delayed recall	RAVLT proportion of information consolidated	IGT Total Advantageous minus Disadvantageous Choices	IGT Total Advantageous minus Disadvantageous Choices Made Under Ambiguity (Trials 1–40)	IGT Total Advantageous minus Disadvantageous Choices Made Under Risk (Trials 41–100)
Age	.022	.036	.009	−.056	.226^*	.049	.278^*
Estimated Full-Scale IQ	.169	−.030	.078	−.077	.295^**	.256^*	.261^*
Number of study visits before detection of substance use	.041	.053	−.034	−.034	.263^*	.279^*	.208
Gender (1=male; 2=female)	.204	.265^*	−.014	−.195	−.001	.035	−.020
Average reported family income (US dollars)	.014	.071	.119	.039	.050	.040	.047
Average parental education	.201	.102	.014	−.109	.418^**	.250^*	.429^**

two-tailed p < .05

^**

two-tailed p < .01; Values represent Pearson r coefficients