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

69205

Downloads

6052

READ - P2009 Blood Donation Notice Q9 (R429Q09)

Data file: INT_COG09_TD_DEC11

Overview

Valid: 61211

Invalid: 454747

Type: Discrete

Start: 129

End: 129

Width: 1

Range: -

Format: character

Questions and instructions

Categories

Value	Category	Cases
1	Full credit	43123	70.4%
2	No credit	4625	7.6%
3	No credit	2929	4.8%
4	No credit	5369	8.8%
8	Invalid	689	1.1%
9	Missing	1587	2.6%
r	Not reached	2889	4.7%
7	N/A	454747

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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