Programme for International Student Assessment 2009

Albania, Argentina, Australia...and 70 more, 2009 - 2010

Reference ID

WLD_2009_PISA_v02_M

Producer(s)

Organisation for Economic Co-operation and Development (OECD)

Metadata

Documentation in PDF DDI/XML JSON

Study website

Created on

Sep 05, 2014

Last modified

Jun 14, 2022

Page views

37750

Downloads

4592

How many books at home (ST22Q01)

Data file: INT_STQ09_DEC11

Overview

Valid: 505093

Invalid: 10865

Type: Discrete

Decimal: 0

Start: 113

End: 113

Width: 1

Range: 1 - 6

Format: Numeric

Questions and instructions

Categories

Value	Category	Cases
1	0-10 books	90966	18%
2	11-25 books	104844	20.8%
3	26-100 books	148102	29.3%
4	101-200 books	75412	14.9%
5	201-500 books	53594	10.6%
6	More than 500 books	32175	6.4%
7	N/A	2972
8	Invalid	2099
9	Miss	5794

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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