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
64543
Downloads
16541
SCIE - P2006 Bacteria in Milk Q1 (PS428Q01)
Data file: INT_COG12_DEC03
Overview
Valid:
114676
Invalid:
272053
Type:
Discrete
Start:
216
End:
216
Width:
1
Range:
-
Format:
character
Questions and instructions
Categories
| Value | Category | Cases | |
|---|---|---|---|
| 1 | No credit | 38544 |
33.6%
|
| 2 | No credit | 4435 |
3.9%
|
| 3 | Full credit | 63190 |
55.1%
|
| 4 | No credit | 6040 |
5.3%
|
| r | Not reached | 2467 |
2.2%
|
| 7 | N/A | 269184 | |
| 8 | Invalid | 351 | |
| 9 | Missing | 2518 |
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.