Behavior Data Systems Ltd. (BDS) substance abuse (alcohol and other drugs) assessment instruments or tests meet strict, professional standards for reliability, validity, and accuracy. Test users give these tests high marks for availability, helpfulness, comprehensiveness, and affordability.

These substance abuse tests are available on BDSís website (www.bdsltd.com) and its subsidiaries websites: Risk & Needs Assessment, Inc. (www.riskandneeds.com), and Professional Online Testing Solutions, Inc. (www.online-testing.com).

All tests discussed in this website contain a Truthfulness Scale (to determine client truthfulness when tested), along with an Alcohol Scale and Drug Scale. Other scales are included to fill out each test's substance abuse profile.

Juvenile and adult, substance (alcohol and other drugs) abuse tests are represented by name and that test's name is a link to that test's webpage or website. To begin your search, click on the link that is of interest to you.