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

56518

Downloads

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Data file: INT_STQ09_DEC11

Overview

Valid: 298830

Invalid: 217128

Type: Discrete

Decimal: 0

Start: 262

End: 262

Width: 1

Range: 1 - 4

Format: Numeric

Questions and instructions

Categories

Value	Category	Cases
1	Never or hardly ever	56328	18.8%
2	Once or twice a month	46006	15.4%
3	Once or twice a week	80381	26.9%
4	Almost every day	116115	38.9%
7	N/A	207680
8	Invalid	582
9	Miss	8866

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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