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

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MATH - P2000 Population Pyramids (Q03) - original responses (M155Q03R)

Data file: INT_COG09_TD_DEC11

Overview

Valid: 158551

Invalid: 357407

Type: Discrete

Start: 251

End: 252

Width: 2

Range: -

Format: character

Questions and instructions

Categories

Value	Category	Cases
00	No credit	59631	37.6%
11	Partial credit	1696	1.1%
12	Partial credit	12445	7.8%
13	Partial credit	2189	1.4%
21	Full credit	1851	1.2%
22	Full credit	8541	5.4%
23	Full credit	2612	1.6%
99	Missing	69586	43.9%
97	N/A	357407

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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