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

69154

Downloads

6052

READ - P2009 Mobile Phone Safety Q11 (R414Q11)

Data file: INT_COG09_TD_DEC11

Overview

Valid: 97419

Invalid: 418539

Type: Discrete

Start: 116

End: 116

Width: 1

Range: -

Format: character

Questions and instructions

Categories

Value	Category	Cases
1	No credit	40856	41.9%
2	No credit	12708	13%
3	Full credit	33196	34.1%
4	No credit	5170	5.3%
8	Invalid	798	0.8%
9	Missing	2487	2.6%
r	Not reached	2204	2.3%
7	N/A	418539

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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