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WLD_2009_PISA-ERA_V01_M
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variable [F2]
The Programme for International Student Assessment, Electronic Reading Assessment 2009
World
,
2009
Reference ID
WLD_2009_PISA-ERA_v01_M
Producer(s)
Organisation for Economic Co-operation and Development (OECD)
Metadata
DDI/XML
JSON
Created on
Sep 05, 2014
Last modified
Mar 29, 2019
Page views
26820
Downloads
2106
Study Description
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Data files
ERA_COG09_S_JUNE11
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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.
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