The Programme for International Student Assessment, Electronic Reading Assessment 2009
World, 2009
Created on
Sep 05, 2014
Last modified
Mar 29, 2019
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SCIE - P2006 Airbags (Q02) - original responses (S519Q02R)
Data file: ERA_COG09_TD_JUNE11
Overview
Valid:
32905
Invalid:
74489
Type:
Discrete
Start:
377
End:
378
Width:
2
Format:
Questions and instructions
Categories
| Value | Category |
|---|---|
| 11 | |
| 12 | Full credit |
| 18 | |
| 19 | |
| 21 | |
| 22 | |
| 28 | |
| 29 | |
| 78 | |
| 81 | |
| 82 | |
| 88 | Invalid |
| 89 | |
| 91 | |
| 92 | |
| 99 | Missing |
| 77 | N/A |
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.