Programme for International Student Assessment, Computer-Based Assessment 2012

Albania, United Arab Emirates, Argentina...and 60 more, 2012

Reference ID

WLD_2012_PISA-CBA_v01_M

Producer(s)

Organisation for Economic Co-operation and Development

Metadata

Documentation in PDF DDI/XML JSON

Created on

Sep 05, 2014

Last modified

Jun 14, 2022

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MATH - P2003 Carbon Dioxide Q3 (PM828Q03)

Data file: CBA_COG12_MAR31

Overview

Valid: 63014

Invalid: 208309

Type: Discrete

Start: 78

End: 78

Width: 1

Range: -

Format: character

Questions and instructions

Categories

Value	Category	Cases
0	No credit	38749	61.5%
1	Full credit	22336	35.4%
r	Not reached	1929	3.1%
7	N/A	188220
9	Missing	20089

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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