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

37354

Downloads

4592

MATH - P2003 Chair Lift (Q01) (M564Q01)

Data file: INT_COG09_TD_DEC11

Overview

Valid: 159517

Invalid: 356441

Type: Discrete

Start: 50

End: 50

Width: 1

Range: -

Format: character

Questions and instructions

Categories

Value	Category	Cases
1	No credit	9076	5.7%
2	Full credit	63951	40.1%
3	No credit	63104	39.6%
4	No credit	13074	8.2%
8	Invalid	440	0.3%
9	Missing	3270	2%
r	Not reached	6602	4.1%
7	N/A	356441

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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