Addiction Research Center Inventory
A true/false questionnaire developed at the Addiction Research Center used to assess the subjective effects of various drugs of abuse. Research subjects are adminisered the questionnaire after receiving one of various doses of a test drug or a placebo, usually under double-blind conditions. Items include such statements as:
I have a pleasant feeling in my stomach.
I am sweating more than usual.
I have a floating feeling.
My movements seem slower than normal.
The original version had 550 such statements, but newer