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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READ - P2009 Dust Mites Q8 - original responses (R435Q08R)
Data file: ERA_COG09_TD_JUNE11
Overview
Valid:
3165
Invalid:
104229
Type:
Discrete
Start:
318
End:
320
Width:
3
Format:
Questions and instructions
Categories
| Value | Category |
|---|---|
| 111 | |
| 112 | |
| 119 | |
| 121 | |
| 122 | |
| 129 | |
| 191 | |
| 192 | |
| 199 | |
| 211 | |
| 212 | |
| 219 | |
| 221 | Full credit |
| 222 | |
| 291 | |
| 299 | |
| 888 | Invalid |
| 898 | |
| 911 | |
| 912 | |
| 921 | |
| 991 | |
| 992 | |
| 999 | Missing |
| 777 | 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.