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
101708
Downloads
24177
SCIE - P2006 Bacteria in Milk Q3 (PS428Q03)
Data file: INT_COG12_DEC03
Overview
Valid:
113185
Invalid:
273544
Type:
Discrete
Start:
217
End:
217
Width:
1
Range:
-
Format:
character
Questions and instructions
Categories
| Value | Category | Cases | |
|---|---|---|---|
| 1 | No credit | 14481 |
12.8%
|
| 2 | No credit | 12635 |
11.2%
|
| 3 | No credit | 5671 |
5%
|
| 4 | Full credit | 77741 |
68.7%
|
| r | Not reached | 2657 |
2.3%
|
| 7 | N/A | 269198 | |
| 8 | Invalid | 1189 | |
| 9 | Missing | 3157 |
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.