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
185080
Downloads
1581
Sustainable Fish Farming - Q04 (Raw Response) (DS601Q04R)
Data file: CY6_MS_CMB_STU_COG
Overview
Valid:
90312
Invalid:
429022
Minimum:
1
Maximum:
4
Type:
Discrete
Decimal:
0
Start:
6113
End:
6114
Width:
2
Range:
1 - 4
Format:
Numeric
Questions and instructions
Categories
| Value | Category | Cases | |
|---|---|---|---|
| 1 | Increasing the rate of water flow through the tanks. | 12045 |
13.3%
|
| 2 | Increasing the amount of nutrients added to the first tank. | 20803 |
23%
|
| 3 | Using filters that allow larger organisms to move between th | 23404 |
25.9%
|
| 4 | Using the wastes produced by the organisms to make fuel to r | 34060 |
37.7%
|
| 95 | Valid Skip | 0 | |
| 96 | Not Reached | 0 | |
| 97 | Not Applicable | 0 | |
| 98 | Invalid | 1 | |
| 99 | No Response | 1630 | |
| Sysmiss | 427391 |
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.