The ACDI assesses troubled youth. The ACDI is a juvenile substance (alcohol & drug) abuse screening instrument or test.

The ACDI has five scales (measures):

1. Truthfulness Scale
2. Alcohol Scale
3. Drugs Scale
4. Distress Scale
5. Adjustment Scale

The ACDI is a brief (105 items, 20 minutes) evidence based test. Within 2 minutes from test data (answers) entry, printed 3-page reports are available on-site.

The ACDI is offered by Behavior Data Systems, Ltd. (BDS) and its subsidiaries Risk & Needs Assessment, Inc. (Risk & Needs) and Professional Online Testing Solutions, Inc. (Online-Testing).