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
100503
Downloads
24146
READ - P2009 Biscuits Q1 (PR456Q01)
Data file: INT_COG12_DEC03
Overview
Valid:
115570
Invalid:
271159
Type:
Discrete
Start:
186
End:
186
Width:
1
Range:
-
Format:
character
Questions and instructions
Categories
| Value | Category | Cases | |
|---|---|---|---|
| 1 | Full credit | 109908 |
95.1%
|
| 2 | No credit | 1646 |
1.4%
|
| 3 | No credit | 1122 |
1%
|
| 4 | No credit | 1136 |
1%
|
| r | Not reached | 1758 |
1.5%
|
| 7 | N/A | 269566 | |
| 8 | Invalid | 173 | |
| 9 | Missing | 1420 |
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.