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

36375

Downloads

4577

SCIE - P2006 Extinction of the Dinosaurs (Q01) (S527Q01T)

Data file: INT_COG09_TD_DEC11

Overview

Valid: 158054

Invalid: 357904

Type: Discrete

Start: 241

End: 241

Width: 1

Range: -

Format: character

Questions and instructions

Categories

Value	Category	Cases
0	No credit	16129	10.2%
1	No credit	41429	26.2%
2	No credit	66724	42.2%
3	Full credit	20975	13.3%
8	Invalid	773	0.5%
9	Missing	5944	3.8%
r	Not reached	6080	3.8%
7	N/A	357904

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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