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

36603

Downloads

4577

READ - P2009 Mobile Phone Safety Q9 (R414Q09)

Data file: INT_COG09_TD_DEC11

Overview

Valid: 96780

Invalid: 419178

Type: Discrete

Start: 115

End: 115

Width: 1

Range: -

Format: character

Questions and instructions

Categories

Value	Category	Cases
1	No credit	2095	2.2%
2	No credit	11689	12.1%
3	Full credit	59520	61.5%
4	No credit	5155	5.3%
5	No credit	12304	12.7%
8	Invalid	1676	1.7%
9	Missing	1688	1.7%
r	Not reached	2653	2.7%
7	N/A	419178

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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