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

36598

Downloads

4577

READ - P2000 Telephone (Q01) (R104Q01)

Data file: INT_COG09_TD_DEC11

Overview

Valid: 157760

Invalid: 358198

Type: Discrete

Start: 79

End: 79

Width: 1

Range: -

Format: character

Questions and instructions

Categories

Value	Category	Cases
0	No credit	33285	21.1%
1	Full credit	106013	67.2%
8	Invalid	0	0%
9	Missing	10110	6.4%
r	Not reached	8352	5.3%
7	N/A	358198

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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