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

Page views

120498

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SCIE - P2000 Algae (Q01) (S268Q01)

Data file: INT_Cogn06_T_Dec07

Overview

Valid: 398750

Invalid: 0

Type: Discrete

Start: 109

End: 109

Width: 1

Range: -

Format: character

Questions and instructions

Categories

Value	Category	Cases
1	No credit	9756	2.4%
2	No credit	10207	2.6%
3	Full credit	81482	20.4%
4	No credit	13210	3.3%
7	N/A	276566	69.4%
8	M/R	650	0.2%
9	Missing	4500	1.1%
r	Not reached	2379	0.6%

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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