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

38024

Downloads

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Data file: INT_STQ09_DEC11

Overview

Valid: 303368

Invalid: 212590

Type: Discrete

Decimal: 0

Start: 269

End: 269

Width: 1

Range: 1 - 4

Format: Numeric

Questions and instructions

Categories

Value	Category	Cases
1	Never or hardly ever	126768	41.8%
2	Once or twice a month	66742	22%
3	Once or twice a week	63858	21%
4	Almost every day	46000	15.2%
7	N/A	203043
8	Invalid	350
9	Miss	9197

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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