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

37745

Downloads

4592

Online - Chat on line (ST26Q02)

Data file: INT_STQ09_DEC11

Overview

Valid: 504467

Invalid: 11491

Type: Discrete

Decimal: 0

Start: 132

End: 132

Width: 1

Range: 1 - 5

Format: Numeric

Questions and instructions

Categories

Value	Category	Cases
1	Don’t know what it is	24058	4.8%
2	Never or almost never	95044	18.8%
3	Several times a month	62660	12.4%
4	Several times a week	120769	23.9%
5	Several times a day	201936	40%
7	N/A	4153
8	Invalid	963
9	Miss	6375

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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