National Beneficiary Survey Round 4, (Volume 1 of 3): Editing, Coding, Imputation, and Weighting Procedures

As part of an evaluation of the Ticket to Work and Self-Sufficiency program (TTW), Mathematica Policy Research conducted Round 4 of the National Beneficiary Survey (NBS) in 2010. The survey, sponsored by the Social Security Administration’s (SSA) Office of Retirement and Disability Policy, collected data from a national sample of SSA disability beneficiaries (hereafter referred to as the Representative Beneficiary Sample) and a sample of TTW participants (hereafter referred to as the Ticket Participant Sample).