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

69443

Downloads

6052

At School - Email (IC06Q02)

Data file: INT_STQ09_DEC11

Overview

Valid: 303014

Invalid: 212944

Type: Discrete

Decimal: 0

Start: 274

End: 274

Width: 1

Range: 1 - 4

Format: Numeric

Questions and instructions

Categories

Value	Category	Cases
1	Never or hardly ever	191474	63.2%
2	Once or twice a month	58162	19.2%
3	Once or twice a week	39976	13.2%
4	Almost every day	13402	4.4%
7	N/A	203047
8	Invalid	364
9	Miss	9533

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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