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

68942

Downloads

6052

Like Read - Non-fiction books (ST25Q04)

Data file: INT_STQ09_DEC11

Overview

Valid: 503346

Invalid: 12612

Type: Discrete

Decimal: 0

Start: 129

End: 129

Width: 1

Range: 1 - 5

Format: Numeric

Questions and instructions

Categories

Value	Category	Cases
1	Never or almost never	157955	31.4%
2	A few times a year	135312	26.9%
3	About once a month	98478	19.6%
4	Several times a month	75141	14.9%
5	Several times a week	36460	7.2%
7	N/A	4044
8	Invalid	830
9	Miss	7738

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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