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

37703

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Data file: INT_STQ09_DEC11

Overview

Valid: 299200

Invalid: 216758

Type: Discrete

Decimal: 0

Start: 264

End: 264

Width: 1

Range: 1 - 4

Format: Numeric

Questions and instructions

Categories

Value	Category	Cases
1	Never or hardly ever	33343	11.1%
2	Once or twice a month	29924	10%
3	Once or twice a week	76183	25.5%
4	Almost every day	159750	53.4%
7	N/A	207680
8	Invalid	502
9	Miss	8576

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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