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
104873
Downloads
24922
SCIE - P2006 Wild Oat Grass Q1 (PS408Q01)
Data file: INT_COG12_DEC03
Overview
Valid:
114381
Invalid:
272348
Type:
Discrete
Start:
202
End:
202
Width:
1
Range:
-
Format:
character
Questions and instructions
Categories
| Value | Category | Cases | |
|---|---|---|---|
| 1 | No credit | 19686 |
17.2%
|
| 2 | No credit | 9694 |
8.5%
|
| 3 | No credit | 18240 |
15.9%
|
| 4 | Full credit | 64882 |
56.7%
|
| r | Not reached | 1879 |
1.6%
|
| 7 | N/A | 268019 | |
| 8 | Invalid | 1993 | |
| 9 | Missing | 2336 |
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.