Programme for International Student Assessment 2012
Albania, United Arab Emirates, Argentina...and 57 more, 2012
Reference ID
WLD_2012_PISA_v01_M
Producer(s)
Organisation for Economic Co-operation and Development
Metadata
Created on
Sep 05, 2014
Last modified
Jun 14, 2022
Page views
83384
Downloads
18606
READ - P2009 Sleep Q7 - original responses (PR404Q07R)
Data file: INT_COG12_DEC03
Overview
Valid:
112454
Invalid:
274275
Type:
Discrete
Start:
315
End:
317
Width:
3
Range:
-
Format:
character
Questions and instructions
Categories
| Value | Category | Cases | |
|---|---|---|---|
| 111 | 3784 |
3.4%
|
|
| 112 | 3770 |
3.4%
|
|
| 118 | 2 |
0%
|
|
| 119 | 30 |
0%
|
|
| 121 | 39353 |
35%
|
|
| 122 | Full credit | 32577 |
29%
|
| 128 | 23 |
0%
|
|
| 129 | 180 |
0.2%
|
|
| 181 | 24 |
0%
|
|
| 182 | 6 |
0%
|
|
| 188 | 1 |
0%
|
|
| 189 | 1 |
0%
|
|
| 191 | 46 |
0%
|
|
| 192 | 16 |
0%
|
|
| 199 | 206 |
0.2%
|
|
| 211 | 7408 |
6.6%
|
|
| 212 | 2581 |
2.3%
|
|
| 218 | 4 |
0%
|
|
| 219 | 36 |
0%
|
|
| 221 | 17635 |
15.7%
|
|
| 222 | 4186 |
3.7%
|
|
| 228 | 10 |
0%
|
|
| 229 | 56 |
0%
|
|
| 277 | 1 |
0%
|
|
| 281 | 22 |
0%
|
|
| 282 | 5 |
0%
|
|
| 288 | 3 |
0%
|
|
| 289 | 1 |
0%
|
|
| 291 | 52 |
0%
|
|
| 292 | 7 |
0%
|
|
| 299 | 62 |
0.1%
|
|
| 811 | 10 |
0%
|
|
| 812 | 7 |
0%
|
|
| 818 | 1 |
0%
|
|
| 821 | 55 |
0%
|
|
| 822 | 21 |
0%
|
|
| 828 | 1 |
0%
|
|
| 881 | 4 |
0%
|
|
| 882 | 1 |
0%
|
|
| 889 | 1 |
0%
|
|
| 891 | 1 |
0%
|
|
| 898 | 1 |
0%
|
|
| 899 | 5 |
0%
|
|
| 911 | 13 |
0%
|
|
| 912 | 9 |
0%
|
|
| 919 | 51 |
0%
|
|
| 921 | 27 |
0%
|
|
| 922 | 4 |
0%
|
|
| 929 | 18 |
0%
|
|
| 989 | 2 |
0%
|
|
| 991 | 132 |
0.1%
|
|
| 992 | 1 |
0%
|
|
| 998 | 1 |
0%
|
|
| 777 | N/A | 270315 | |
| 888 | Invalid | 23 | |
| 999 | Missing | 3937 |
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.