Addiction Research Center Inventory

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The ARCI is a standardized questionnaire used for assessing subjective effects of psychoactive drugs that was developed in the early 1960s at the National Institute of Mental Health Addiction Research Center. Using the "private language of users," the ARCI was developed to address the problem of the discrepancy of observer/user terminology by constructing the items from empirically validated, solicited responses of former addicts under the influence of various drugs. This self-report inventory was developed from the use of "sentence completion" and other association techniques on male subjects under drug and no-drug conditions. In addition to demonstrated "drug-sensitive" questions, the final form of the inventory (550 "true-false" items) also contains items which were thought to delineate to some extent schizoid and "psychopathic" characteristics. Initial use indicated that the inventory was effective in differentiating various subjective effects of drugs and in discriminating some similarities and differences of naturally occurring and experimentally induced behavioral abnormalities. A 49-item short form has also been developed.
Substance Use