EDITORS' NOTES (James M. Herrell, Roger B. Straw).

1. A Framework for Understanding and Improving Multisite Evaluations (Roger B. Straw, James M. Herrell).

2. Treating Marijuana Dependence in Adults: A Multisite, Randomized Clinical Trial (Thomas F. Babor, Karen L. Steinberg, Bonnie McRee, Janice Vendetti, Kathleen M. Carroll).

3. The Pioneer: The Employment Intervention Demonstration Program (Judith A. Cook, Martha Ann Carey, Lisa A. Razzano, Jane Burke, Crystal R. Blyler).

4. A Prospective Meta-Analytic Approach in a Multisite Study of Homelessness Prevention (Steven Banks, Gregory J. McHugo, Valerie Williams, Robert E. Drake, Marybeth Shinn).

5. A Multisite Evaluation of Supported Housing: Lessons Learned from Cross-Site Collaboration (Debra J. Rog, Frances L. Randolph).

6. A Multisite Evaluation of Treatment of Methamphetamine Dependence in Adults (Richard A. Rawson, Patricia J. Marinelli-Casey, Alice Huber).

7. Lessons Learned About Science and Participation from Multisite Evaluations (H. Stephen Leff, Virginia Mulkern).

INDEX.