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
100243
Downloads
24140
Familiarity with Maths Concepts - Vectors (ST62Q07)
Data file: INT_STU12_DEC03
Overview
Valid:
306627
Invalid:
178863
Type:
Discrete
Decimal:
0
Start:
238
End:
238
Width:
1
Range:
1 - 5
Format:
Numeric
Questions and instructions
Categories
| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never heard of it | 87307 |
28.5%
|
| 2 | Heard of it once or twice | 43631 |
14.2%
|
| 3 | Heard of it a few times | 46992 |
15.3%
|
| 4 | Heard of it often | 53486 |
17.4%
|
| 5 | Know it well, understand the concept | 75211 |
24.5%
|
| 7 | N/A | 168328 | |
| 8 | Invalid | 1570 | |
| 9 | Missing | 8965 |
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.