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

69364

Downloads

6052

Study - Important Points (ST27Q11)

Data file: INT_STQ09_DEC11

Overview

Valid: 502778

Invalid: 13180

Type: Discrete

Decimal: 0

Start: 148

End: 148

Width: 1

Range: 1 - 4

Format: Numeric

Questions and instructions

Categories

Value	Category	Cases
1	Almost Never	24457	4.9%
2	Sometimes	111822	22.2%
3	Often	194199	38.6%
4	Almost always	172300	34.3%
7	N/A	4076
8	Invalid	1164
9	Miss	7940

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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