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
79415
Downloads
15939
Familiarity with Maths Concepts - Radicals (ST62Q10)
Data file: CBA_STU12_MAR31
Overview
Valid:
170059
Invalid:
101264
Type:
Discrete
Decimal:
0
Start:
241
End:
241
Width:
1
Range:
1 - 5
Format:
Numeric
Questions and instructions
Categories
| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never heard of it | 23389 |
13.8%
|
| 2 | Heard of it once or twice | 17998 |
10.6%
|
| 3 | Heard of it a few times | 21253 |
12.5%
|
| 4 | Heard of it often | 32784 |
19.3%
|
| 5 | Know it well, understand the concept | 74635 |
43.9%
|
| 7 | N/A | 96233 | |
| 8 | Invalid | 758 | |
| 9 | Missing | 4273 |
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.