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

36595

Downloads

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MATH - P2003 Lotteries (Q01) (M408Q01T)

Data file: INT_COG09_TD_DEC11

Overview

Valid: 156329

Invalid: 359629

Type: Discrete

Start: 35

End: 35

Width: 1

Range: -

Format: character

Questions and instructions

Categories

Value	Category	Cases
0	No credit	2555	1.6%
1	No credit	22332	14.3%
2	No credit	37811	24.2%
3	No credit	38397	24.6%
4	Full credit	49038	31.4%
8	Invalid	52	0%
9	Missing	3352	2.1%
r	Not reached	2792	1.8%
7	N/A	359629

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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