SIPP USERS’ GUIDE ACRONYMS D. Acronyms ADL = Activities of Daily Living AFDC = Aid to Families with Dependent Children ASA = American Statistical Association BLS = Bureau of Labor Statistics BW = base weight CAI = computer-assisted interviewing CAPI = computer-assisted personal interviewing CMSA = Consolidated Metropolitan Statistical Area CPS = Current Population Survey DADS = Data Access and Dissemination System DCF = Duplication Control Factor DES = Data Extraction System EDs = Enumeration Districts FERRET = Federal Electronic Research Review and Extraction Tool FHNSP = Female with no spouse present living with relatives GA = General Assistance GVFs = Generalized Variance Functions ICPSR = Inter-university Consortium for Political and Social Research ISDP = Income Survey Development Program MSA = Metropolitan Statistical Area NAF = noninterview adjustment factor NCF = new-construction noninterview adjustment factor NCHS = National Center for Health Statistics NLS = National Longitudinal Surveys NSR PSUs = Non-self-representing PSUs OASDI = Old-Age, Survivors, and Disability Insurance OMB = Office of Management and Budget SIPP USERS’ GUIDE ACRONYMS PRWORA = Personal Responsibility and Work Opportunity Reconciliation Act PSID = Panel Study of Income Dynamics PSU = Primary Sampling Units SIPP = Survey of Income and Program Participation SPD = Survey of Program Dynamics SRS = Simple Random Sample SSCA = Second-stage Calibration Adjustment SSI = Supplemental Security Income TANF = Temporary Assistance for Needy Families WIC = Women, Infants, and Children nutrition program