Programme for International Student Assessment, Computer-Based Assessment 2012
Albania, United Arab Emirates, Argentina...and 60 more, 2012
Reference ID
WLD_2012_PISA-CBA_v01_M
Producer(s)
Organisation for Economic Co-operation and Development
Metadata
Created on
Sep 05, 2014
Last modified
Jun 14, 2022
Page views
79670
Downloads
15939
READ - P2009 Sleep Q7 - original responses (PR404Q07R)
Data file: CBA_COG12_MAR31
Overview
Valid:
78908
Invalid:
192415
Type:
Discrete
Start:
317
End:
319
Width:
3
Range:
-
Format:
character
Questions and instructions
Categories
| Value | Category | Cases | |
|---|---|---|---|
| 111 | 2578 |
3.3%
|
|
| 112 | 2416 |
3.1%
|
|
| 118 | 2 |
0%
|
|
| 119 | 13 |
0%
|
|
| 121 | 26970 |
34.2%
|
|
| 122 | Full credit | 26366 |
33.4%
|
| 128 | 15 |
0%
|
|
| 129 | 121 |
0.2%
|
|
| 181 | 9 |
0%
|
|
| 182 | 4 |
0%
|
|
| 189 | 1 |
0%
|
|
| 191 | 24 |
0%
|
|
| 192 | 8 |
0%
|
|
| 199 | 110 |
0.1%
|
|
| 211 | 4428 |
5.6%
|
|
| 212 | 1488 |
1.9%
|
|
| 218 | 3 |
0%
|
|
| 219 | 24 |
0%
|
|
| 221 | 10926 |
13.8%
|
|
| 222 | 3103 |
3.9%
|
|
| 228 | 3 |
0%
|
|
| 229 | 42 |
0.1%
|
|
| 281 | 9 |
0%
|
|
| 282 | 1 |
0%
|
|
| 288 | 1 |
0%
|
|
| 291 | 23 |
0%
|
|
| 292 | 6 |
0%
|
|
| 299 | 37 |
0%
|
|
| 811 | 2 |
0%
|
|
| 812 | 2 |
0%
|
|
| 818 | 1 |
0%
|
|
| 821 | 15 |
0%
|
|
| 822 | 6 |
0%
|
|
| 881 | 2 |
0%
|
|
| 889 | 1 |
0%
|
|
| 891 | 1 |
0%
|
|
| 899 | 2 |
0%
|
|
| 911 | 8 |
0%
|
|
| 912 | 6 |
0%
|
|
| 919 | 26 |
0%
|
|
| 921 | 19 |
0%
|
|
| 922 | 3 |
0%
|
|
| 929 | 10 |
0%
|
|
| 989 | 3 |
0%
|
|
| 991 | 66 |
0.1%
|
|
| 992 | 1 |
0%
|
|
| 998 | 3 |
0%
|
|
| 777 | N/A | 190316 | |
| 888 | Invalid | 15 | |
| 999 | Missing | 2084 |
Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.