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

69979

Downloads

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SCIE - P2006 Wild Oat Grass (Q01) (S408Q01)

Data file: INT_COG09_S_DEC11

Overview

Valid: 20763

Invalid: 47185

Type: Discrete

Start: 201

End: 201

Width: 1

Range: -

Format: character

Questions and instructions

Categories

Value	Category	Cases
0	Score 0	9839	47.4%
1	Score 1	10493	50.5%
2	Score 2	0	0%
8	Not reached	431	2.1%
7	N/A	47185

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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