| Data file | Cases | Variables |
|---|---|---|
| LEVEL_01_Section_1_and_1-1.sav | 261746 | 21 |
| LEVEL_02_Section_3.sav | 1127039 | 36 |
| LEVEL_03.sav | 261746 | 49 |
| LEVEL_04_Section_4-1.sav | 261746 | 38 |
| LEVEL_ 05_Sec_5_6.sav | 12056839 | 25 |
| LEVEL_06_Section_7.sav | 1637576 | 23 |
| LEVEL_07_Section_4-2.sav | 261746 | 48 |
| LEVEL_08_Section_8-1.sav | 1410652 | 25 |
| LEVEL_09_Section_9-10-11.sav | 7942402 | 21 |
| LEVEL_10_Section_12.sav | 762523 | 25 |
| LEVEL_11_Section_4-3.sav | 261746 | 59 |
| LEVEL_12_Section_13.sav | 4410298 | 22 |
| Level_13_Section_14.sav | 4500902 | 27 |
| LEVEL_14_Section_A1-B1-C1.sav | 8075528 | 22 |
| LEVEL_15_Section_1-1_A2-B2-C2.sav | 1046984 | 26 |