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

36711

Downloads

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SCIE - P2006 Plastic Age (Q06) (S413Q06)

Data file: INT_COG09_TD_DEC11

Overview

Valid: 158138

Invalid: 357820

Type: Discrete

Start: 207

End: 207

Width: 1

Range: -

Format: character

Questions and instructions

Categories

Value	Category	Cases
0	No credit	80823	51.1%
1	Full credit	51527	32.6%
9	Missing	22186	14%
r	Not reached	3602	2.3%
7	N/A	357820

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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