IHSN Survey Catalog
  • Home
  • Microdata Catalog
  • Citations
  • Login
    Login
    Home / Central Data Catalog / WLD_2012_PISA_V01_M / variable [F9]
central

Programme for International Student Assessment 2012

Albania, United Arab Emirates, Argentina...and 57 more, 2012
Reference ID
WLD_2012_PISA_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
82665
Downloads
18523
  • Study Description
  • Data Dictionary
  • Downloads
  • Get Microdata
  • Related Publications
  • Data files
  • INT_COG12_DEC03
  • INT_COG12_S_DEC03
  • INT_PAQ12_DEC03
  • INT_SCQ12_DEC03
  • INT_STU12_DEC03

Age started learning (EC06Q01)

Data file: INT_STU12_DEC03

Overview

Valid: 40345
Invalid: 445145
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 26070
64.6%
2 4 to 6 years 9207
22.8%
3 7 to 9 years 2994
7.4%
4 10 to 12 years 1275
3.2%
5 13 years or older 799
2%
7 N/A 356351
8 Invalid 510
9 Missing 88284
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.
Back to Catalog
IHSN Survey Catalog

© IHSN Survey Catalog, All Rights Reserved.