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
182216
Downloads
1575
Bird Migration - Q01 (Raw Response) (DS656Q01R)
Data file: CY6_MS_CM2_STU_COG
Overview
Valid:
1959
Invalid:
21092
Minimum:
1
Maximum:
4
Type:
Discrete
Decimal:
0
Start:
5732
End:
5733
Width:
2
Range:
1 - 4
Format:
Numeric
Questions and instructions
Categories
| Value | Category | Cases | |
|---|---|---|---|
| 1 | Birds that migrated individually or in small groups were les | 618 |
31.5%
|
| 2 | Birds that migrated individually or in small groups were mor | 396 |
20.2%
|
| 3 | Flying in large groups allowed other bird species to join th | 327 |
16.7%
|
| 4 | Flying in large groups allowed each bird to have a better ch | 618 |
31.5%
|
| 95 | Valid Skip | 0 | |
| 96 | Not Reached | 0 | |
| 97 | Not Applicable | 0 | |
| 98 | Invalid | 0 | |
| 99 | No Response | 17 | |
| Sysmiss | 21075 |
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.