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 Acne Vulgaris Q1 - original responses (R447Q01R)
Data file: ERA_COG09_TD_JUNE11
Overview
Valid:
29734
Invalid:
77660
Type:
Discrete
Start:
321
End:
323
Width:
3
Format:
Questions and instructions
Categories
| Value | Category |
|---|---|
| 111 | |
| 112 | |
| 118 | |
| 119 | |
| 121 | Full credit |
| 122 | |
| 128 | |
| 129 | |
| 181 | |
| 191 | |
| 192 | |
| 199 | |
| 211 | |
| 212 | |
| 218 | |
| 219 | |
| 221 | |
| 222 | |
| 228 | |
| 229 | |
| 291 | |
| 292 | |
| 299 | |
| 811 | |
| 812 | |
| 821 | |
| 822 | |
| 881 | |
| 888 | Invalid |
| 891 | |
| 911 | |
| 919 | |
| 921 | |
| 922 | |
| 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.