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

37610

Downloads

4592

Study - Check if Understand (ST27Q06)

Data file: INT_STQ09_DEC11

Overview

Valid: 503198

Invalid: 12760

Type: Discrete

Decimal: 0

Start: 143

End: 143

Width: 1

Range: 1 - 4

Format: Numeric

Questions and instructions

Categories

Value	Category	Cases
1	Almost Never	30219	6%
2	Sometimes	130513	25.9%
3	Often	183277	36.4%
4	Almost always	159189	31.6%
7	N/A	4072
8	Invalid	929
9	Miss	7759

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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