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
101228
Downloads
17250
Familiarity with Maths Concepts - Complex Number (ST62Q08)
Data file: CBA_STU12_MAR31
Overview
Valid:
170316
Invalid:
101007
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 | 44800 |
26.3%
|
| 2 | Heard of it once or twice | 32098 |
18.8%
|
| 3 | Heard of it a few times | 34219 |
20.1%
|
| 4 | Heard of it often | 30472 |
17.9%
|
| 5 | Know it well, understand the concept | 28727 |
16.9%
|
| 7 | N/A | 96234 | |
| 8 | Invalid | 719 | |
| 9 | Missing | 4054 |
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.