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

37893

Downloads

4592

READ - P2009 Mobile Phone Safety Q2 (R414Q02)

Data file: INT_COG09_TD_DEC11

Overview

Valid: 95914

Invalid: 420044

Type: Discrete

Start: 113

End: 113

Width: 1

Range: -

Format: character

Questions and instructions

Categories

Value	Category	Cases
1	No credit	23669	24.7%
2	Full credit	42528	44.3%
3	No credit	15817	16.5%
4	No credit	8996	9.4%
8	Invalid	1395	1.5%
9	Missing	1611	1.7%
r	Not reached	1898	2%
7	N/A	420044

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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