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    Home / Central Data Catalog / WLD_2012_PISA-CBA_V01_M / variable [F5]
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Programme for International Student Assessment, Computer-Based Assessment 2012

Albania, United Arab Emirates, Argentina...and 60 more, 2012
Reference ID
WLD_2012_PISA-CBA_v01_M
Producer(s)
Organisation for Economic Co-operation and Development
Metadata
Documentation in PDF DDI/XML JSON
Created on
Sep 05, 2014
Last modified
Jun 14, 2022
Page views
92789
Downloads
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  • Study Description
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  • CBA_COG12_MAR31
  • CBA_COG12_S_MAR31
  • CBA_PAQ12_MAR31
  • CBA_SCQ12_MAR31
  • CBA_STU12_MAR31

Age started learning (EC06Q01)

Data file: CBA_STU12_MAR31

Overview

Valid: 32324
Invalid: 238999
Type: Discrete
Decimal: 0
Start: 481
End: 481
Width: 1
Range: 1 - 5
Format: Numeric

Questions and instructions

Categories
Value Category Cases
1 0 to 3 years 22205
68.7%
2 4 to 6 years 6874
21.3%
3 7 to 9 years 1795
5.6%
4 10 to 12 years 887
2.7%
5 13 years or older 563
1.7%
7 N/A 171909
8 Invalid 353
9 Missing 66737
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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