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

37139

Downloads

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MATH - P2000 Pipelines (Q01) (M273Q01T)

Data file: INT_COG09_TD_DEC11

Overview

Valid: 158154

Invalid: 357804

Type: Discrete

Start: 32

End: 32

Width: 1

Range: -

Format: character

Questions and instructions

Categories

Value	Category	Cases
0	No credit	73234	46.3%
1	Full credit	71618	45.3%
8	Invalid	1751	1.1%
9	Missing	9027	5.7%
r	Not reached	2524	1.6%
7	N/A	357804

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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