Programme for International Student Assessment, Computer-Based Assessment 2012
Albania, United Arab Emirates, Argentina...and 60 more, 2012
Reference ID
WLD_2012_PISA-CBA_v01_M
Producer(s)
Organisation for Economic Co-operation and Development
Metadata
Created on
Sep 05, 2014
Last modified
Jun 14, 2022
Page views
101351
Downloads
17250
SCIE - P2006 Bacteria in Milk Q3 (PS428Q03)
Data file: CBA_COG12_MAR31
Overview
Valid:
79350
Invalid:
191973
Type:
Discrete
Start:
219
End:
219
Width:
1
Range:
-
Format:
character
Questions and instructions
Categories
| Value | Category | Cases | |
|---|---|---|---|
| 1 | No credit | 8688 |
10.9%
|
| 2 | No credit | 6990 |
8.8%
|
| 3 | No credit | 3245 |
4.1%
|
| 4 | Full credit | 59200 |
74.6%
|
| r | Not reached | 1227 |
1.5%
|
| 7 | N/A | 189144 | |
| 8 | Invalid | 914 | |
| 9 | Missing | 1915 |
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.