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
83516
Downloads
18606
SCIE - P2006 Wild Oat Grass Q5 (PS408Q05)
Data file: INT_COG12_DEC03
Overview
Valid:
113181
Invalid:
273548
Type:
Discrete
Start:
205
End:
205
Width:
1
Range:
-
Format:
character
Questions and instructions
Categories
| Value | Category | Cases | |
|---|---|---|---|
| 1 | No credit | 43325 |
38.3%
|
| 2 | No credit | 11948 |
10.6%
|
| 3 | No credit | 9806 |
8.7%
|
| 4 | Full credit | 45723 |
40.4%
|
| r | Not reached | 2379 |
2.1%
|
| 7 | N/A | 268045 | |
| 8 | Invalid | 2545 | |
| 9 | Missing | 2958 |
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.