Programme for International Student Assessment 2012

Albania, United Arab Emirates, Argentina...and 57 more, 2012

Reference ID

WLD_2012_PISA_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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SCIE - P2006 Wild Oat Grass Q3 (PS408Q03)

Data file: INT_COG12_DEC03

Overview

Valid: 101965

Invalid: 284764

Type: Discrete

Start: 203

End: 203

Width: 1

Range: -

Format: character

Questions and instructions

Categories

Value	Category	Cases
0	No credit	68806	67.5%
1	Full credit	31020	30.4%
r	Not reached	2139	2.1%
7	N/A	268050
9	Missing	16714

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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