We would like to thank those whose efforts have made this report possible. Alana Landey, project officer for the study, and Kelleen Kaye, both at the office of the Assistant Secretary for Planning and Evaluation (ASPE) at the U.S. Department of Health and Human Services (DHHS), provided valuable guidance and comments on both the substance and presentation of material in this report. At Mathematica Policy Research, Alan Hershey, the project director for the National Welfare-to-Work Grants Program Evaluation, provided helpful comments on an earlier draft of the report. Jennifer Chiaramonti expertly produced the report, with assistance from Bryan Gustus, and Laura Berenson provided valuable editorial assistance. We gratefully acknowledge these contributions.