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
100676
Downloads
17247
SCIE - P2006 Bacteria in Milk Q1 (PS428Q01)
Data file: CBA_COG12_MAR31
Overview
Valid:
80427
Invalid:
190896
Type:
Discrete
Start:
218
End:
218
Width:
1
Range:
-
Format:
character
Questions and instructions
Categories
| Value | Category | Cases | |
|---|---|---|---|
| 1 | No credit | 24617 |
30.6%
|
| 2 | No credit | 2798 |
3.5%
|
| 3 | Full credit | 48171 |
59.9%
|
| 4 | No credit | 3709 |
4.6%
|
| r | Not reached | 1132 |
1.4%
|
| 7 | N/A | 189147 | |
| 8 | Invalid | 204 | |
| 9 | Missing | 1545 |
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.