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

37933

Downloads

4592

SCIE - P2003 Milk (Q04) (S326Q04T)

Data file: INT_COG09_TD_DEC11

Overview

Valid: 158144

Invalid: 357814

Type: Discrete

Start: 200

End: 200

Width: 1

Range: -

Format: character

Questions and instructions

Categories

Value	Category	Cases
0	No credit	17791	11.2%
1	No credit	33805	21.4%
2	No credit	67032	42.4%
3	Full credit	31482	19.9%
8	Invalid	45	0%
9	Missing	5608	3.5%
r	Not reached	2381	1.5%
7	N/A	357814

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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