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

56112

Downloads

5161

SCIE - P2006 Plastic Age (Q05) (S413Q05)

Data file: INT_COG09_TD_DEC11

Overview

Valid: 158117

Invalid: 357841

Type: Discrete

Start: 206

End: 206

Width: 1

Range: -

Format: character

Questions and instructions

Categories

Value	Category	Cases
1	No credit	15093	9.5%
2	Full credit	96129	60.8%
3	No credit	15417	9.8%
4	No credit	13329	8.4%
8	Invalid	857	0.5%
9	Missing	12914	8.2%
r	Not reached	4378	2.8%
7	N/A	357841

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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