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
105096
Downloads
24928
SCIE - P2006 Experimental Digestion Q2 (PS498Q02T)
Data file: INT_COG12_DEC03
Overview
Valid:
116394
Invalid:
270335
Type:
Discrete
Start:
231
End:
231
Width:
1
Range:
-
Format:
character
Questions and instructions
Categories
| Value | Category | Cases | |
|---|---|---|---|
| 0 | No credit | 4211 |
3.6%
|
| 1 | No credit | 21340 |
18.3%
|
| 2 | No credit | 39023 |
33.5%
|
| 3 | Full credit | 48199 |
41.4%
|
| r | Not reached | 3621 |
3.1%
|
| 7 | N/A | 267979 | |
| 8 | Invalid | 64 | |
| 9 | Missing | 2292 |
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.