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
100284
Downloads
17247
Familiarity with Maths Concepts - Cosine (ST62Q16)
Data file: CBA_STU12_MAR31
Overview
Valid:
170131
Invalid:
101192
Type:
Discrete
Decimal:
0
Start:
246
End:
246
Width:
1
Range:
1 - 5
Format:
Numeric
Questions and instructions
Categories
| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never heard of it | 47412 |
27.9%
|
| 2 | Heard of it once or twice | 15433 |
9.1%
|
| 3 | Heard of it a few times | 17299 |
10.2%
|
| 4 | Heard of it often | 25998 |
15.3%
|
| 5 | Know it well, understand the concept | 63989 |
37.6%
|
| 7 | N/A | 96233 | |
| 8 | Invalid | 716 | |
| 9 | Missing | 4243 |
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.