. Author manuscript; available in PMC: 2009 Nov 1.

Published in final edited form as: Addict Behav. 2008 Jul 2;33(11):1477–1483. doi: 10.1016/j.addbeh.2008.06.017

Table 2.

Multivariate ANOVA results for marijuana effect expectancies among current users (n = 150).

	Dependent Variable

	Marijuana Problems		Social anxiety

Predictor variables	B (SE)	t	B (SE)	T
	Higher-order marijuana expectancies
Positive expectancies	.01 (.03)	.37	−.05 (.08)	−.64
Negative expectancies	.14 (.03)	4.11^***	.37 (.09)	4.13^***
	Lower-order Positive Expectancies
Perceptual & cognitive enhancement	.15 (.10)	1.47	.36 (.27)	1.33
Tension reduction	−.13 (.09)	−1.33	−.64 (.25)	−2.54^*
Social/Sexual facilitation	−.01 (.08)	−.18	.11 (.21)	.50
Craving and physical effects	.15 (.12)	1.29	.57 (.30)	1.88
	Lower-order Negative Expectancies
Cognitive/Behavioral Impairment	.13 (.06)	2.27^*	.36 (.15)	2.35^*
Global negative effects	.16 (.08)	2.15^*	.40 (.20)	2.02^*

Note. Marijuana effect expectancies were measured using the Marijuana Effect Expectancy Questionnaire (Aarons et al., 2001), social anxiety with the Social Interaction Anxiety Scale (Mattick & Clarke, 1998).

p < .05

^**

p < .01

^***

p < .001.