Programme for International Student Assessment 2006

Argentina, Australia, Austria...and 54 more, 2006

Reference ID

WLD_2006_PISA_v01_M

Producer(s)

Organisation for Economic Co-operation and Development (OECD)

Metadata

Documentation in PDF DDI/XML JSON

Study website

Created on

Nov 23, 2011

Last modified

Jun 14, 2022

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162977

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SCIE - P2000 Algae (Q06) (S268Q06)

Data file: INT_Cogn06_T_Dec07

Overview

Valid: 398750

Invalid: 0

Type: Discrete

Start: 111

End: 111

Width: 1

Range: -

Format: character

Questions and instructions

Categories

Value	Category	Cases
1	No credit	16066	4%
2	Full credit	61299	15.4%
3	No credit	26749	6.7%
4	No credit	10663	2.7%
7	N/A	276570	69.4%
8	M/R	980	0.2%
9	Missing	3449	0.9%
r	Not reached	2974	0.7%

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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