Programme for International Student Assessment 2015
Argentina, Argentina, Australia...and 72 more, 2015
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Reference ID
WLD_2015_PISA_v01_M
Producer(s)
Organisation for Economic Co-operation and Development
Metadata
Created on
Dec 05, 2019
Last modified
Jun 14, 2022
Page views
180952
Downloads
1575
Why do you attend additional mathematics in this school year: I want to improve my grades. (EC022Q07NA)
Data file: CY6_MS_CMB_STU_QQQ
Overview
Valid:
86772
Invalid:
432562
Minimum:
0
Maximum:
1
Type:
Discrete
Decimal:
0
Start:
605
End:
605
Width:
1
Range:
0 - 1
Format:
Numeric
Questions and instructions
Categories
| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not checked | 40695 |
46.9%
|
| 1 | Checked | 46077 |
53.1%
|
| 5 | Valid Skip | 74938 | |
| 6 | Not Reached | 0 | |
| 7 | Not Applicable | 324646 | |
| 8 | Invalid | 0 | |
| 9 | No Response | 0 | |
| Sysmiss | 32978 |
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.