Assessment and Evaluation Resources

As part of TRI’s efforts to apply research to improving the way addiction is perceived and managed, we offer support to policy-makers, researchers and practitioners using these instruments for assessments or evaluations.

Please find below links to free paper-and-pencil downloadable copies of different versions of the Addiction Severity Index (ASI), Treatment Services Review (TSR) and other tools, along with training manuals to assist in the proper administration and coding of the instruments.


Instructions for downloading Instruments and Manuals: If you do not currently have ADOBE ACROBAT READER installed on your computer, you will need to download it first. It is free of charge and will quickly install on your computer by going to

Versions of the Addiction Severity Index (ASI):

Versions of the Treatment Services Review (TSR):

Other Instruments:


ASI Manuals

Other Manuals


Excel Composite Score Program
– allows users to electronically calculate composite scores for each ASI section:

SPSS Composite Score Syntax
– allows users to calculate composite scores for each ASI section using SPSS

For further information and assistance, please contact our free ASI Helpdesk at This email address is being protected from spambots. You need JavaScript enabled to view it. or call the ASI Helpline toll-free at 1-800-238-2433.