Table 5.

Study 2 physiological and subjective measures.

Measure	Placebo v. THC Fa, p	7.5 mg v. 15 mg F, p
Heart rate	17.1, <0.001b, η2=0.43	8.2, 0.009c, η2=0.26
Mean arterial pressure	ns	ns
DEQ
“Feel”	63.2, <0.001b, η2d=0.73	14.6, 0.001b, η2=0.39
“Like”	34.1, <0.001b, η2=0.60	ns
“Dislike”	25.6, <0.001b, η2=0.53	ns
“High”	74.1, <0.001b, η2=0.76	18.3, <0.001b, η2=0.44
“Want more”	15.8, 0.001b, η2=0.41	ns
ARCI Marijuana Scale	42.8, <0.001b, η2=0.65	12.3, 0.002b, η2=0.35
POMS
Friendliness	ns	ns
Anxiety	9.9, 0.004c, η2=0.30	7.6, 0.011c, η2=0.25
Elation	ns	ns
Anger	ns	ns
Fatigue	14.5, 0.001b, η2=0.39	ns
Depression	ns	ns
Confusion	15.8, 0.001b, η2=0.41	7.9, 0.010c, η2=0.26
Vigor	ns	ns

ANOVA: analysis of variance; ARCI: Addiction Research Center Inventory; DEQ: Drug Effects Questionnaire; POMS: Profile of Mood States; SEM: standard error of the mean; THC: Δ⁹-tetrahydrocannabinol.

^aF statistic and p-value from Bonferroni corrected repeated measures ANOVA with Helmert contrasts drug condition*time interaction;

^bsignificant at α=0.0025;

^csignificant at α=0.025;

^dpartial eta squared.