IDENTIFICATION AND WEIGHTS ------------------------------------------------------ VVERSION Process.1. NES VERSION NUMBER OF DATA VDSETNO Process.2. NES DATASET NUMBER VICPSRNO Process.2a. ICPSR ARCHIVE NUMBER 3131 V000001 Process.4. Case ID V000001a Process.4a. Post ID V000002 Process.5. Sample weight V000002a Process.5a. Post weight V000003 Process.6. Pre only or Pre-and-Post interview