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

37294

Downloads

4592

Online - Using Dictionary (ST26Q04)

Data file: INT_STQ09_DEC11

Overview

Valid: 503969

Invalid: 11989

Type: Discrete

Decimal: 0

Start: 134

End: 134

Width: 1

Range: 1 - 5

Format: Numeric

Questions and instructions

Categories

Value	Category	Cases
1	Don’t know what it is	28293	5.6%
2	Never or almost never	124162	24.6%
3	Several times a month	162412	32.2%
4	Several times a week	131576	26.1%
5	Several times a day	57526	11.4%
7	N/A	4154
8	Invalid	1145
9	Miss	6690

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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