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

36531

Downloads

4577

SCIE - P2006 Green Parks (Q02) (S438Q02)

Data file: INT_COG09_TD_DEC11

Overview

Valid: 157821

Invalid: 358137

Type: Discrete

Start: 219

End: 219

Width: 1

Range: -

Format: character

Questions and instructions

Categories

Value	Category	Cases
1	No credit	8844	5.6%
2	No credit	20701	13.1%
3	No credit	19623	12.4%
4	Full credit	89370	56.6%
8	Invalid	1872	1.2%
9	Missing	10017	6.3%
r	Not reached	7394	4.7%
7	N/A	358137

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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