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

36409

Downloads

4577

SCIE - P2003 Milk (Q01) (S326Q01)

Data file: INT_COG09_TD_DEC11

Overview

Valid: 158124

Invalid: 357834

Type: Discrete

Start: 197

End: 197

Width: 1

Range: -

Format: character

Questions and instructions

Categories

Value	Category	Cases
0	No credit	45235	28.6%
1	Full credit	83147	52.6%
9	Missing	28128	17.8%
r	Not reached	1614	1%
7	N/A	357834

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.

Back to Catalog