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
101013
Downloads
24177
Familiarity with Maths Concepts - Complex Number (ST62Q08)
Data file: INT_STU12_DEC03
Overview
Valid:
306640
Invalid:
178850
Type:
Discrete
Decimal:
0
Start:
239
End:
239
Width:
1
Range:
1 - 5
Format:
Numeric
Questions and instructions
Categories
| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never heard of it | 78212 |
25.5%
|
| 2 | Heard of it once or twice | 59468 |
19.4%
|
| 3 | Heard of it a few times | 62456 |
20.4%
|
| 4 | Heard of it often | 55625 |
18.1%
|
| 5 | Know it well, understand the concept | 50879 |
16.6%
|
| 7 | N/A | 168329 | |
| 8 | Invalid | 1533 | |
| 9 | Missing | 8988 |
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.