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

69645

Downloads

6052

READ - P2009 Blood Donation Notice Q8 (R429Q08)

Data file: INT_COG09_TD_DEC11

Overview

Valid: 61218

Invalid: 454740

Type: Discrete

Start: 128

End: 128

Width: 1

Range: -

Format: character

Questions and instructions

Categories

Value	Category	Cases
0	No credit	18710	30.6%
1	Full credit	34055	55.6%
9	Missing	5676	9.3%
r	Not reached	2777	4.5%
7	N/A	454740

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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