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
92074
Downloads
16454
SCIE - P2006 Wild Oat Grass Q1 (PS408Q01)
Data file: CBA_COG12_MAR31
Overview
Valid:
80385
Invalid:
190938
Type:
Discrete
Start:
204
End:
204
Width:
1
Range:
-
Format:
character
Questions and instructions
Categories
| Value | Category | Cases | |
|---|---|---|---|
| 1 | No credit | 11729 |
14.6%
|
| 2 | No credit | 6629 |
8.2%
|
| 3 | No credit | 11080 |
13.8%
|
| 4 | Full credit | 50017 |
62.2%
|
| r | Not reached | 930 |
1.2%
|
| 7 | N/A | 188149 | |
| 8 | Invalid | 1435 | |
| 9 | Missing | 1354 |
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.