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

69437

Downloads

6052

SCIE - P2006 Extinction of the Dinosaurs (Q04) (S527Q04T)

Data file: INT_COG09_TD_DEC11

Overview

Valid: 156463

Invalid: 359495

Type: Discrete

Start: 243

End: 243

Width: 1

Range: -

Format: character

Questions and instructions

Categories

Value	Category	Cases
0	No credit	4881	3.1%
1	No credit	32290	20.6%
2	No credit	40257	25.7%
3	Full credit	68425	43.7%
8	Invalid	47	0%
9	Missing	3752	2.4%
r	Not reached	6811	4.4%
7	N/A	359495

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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