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

37105

Downloads

4592

Strategies - Explain Expectations (ST38Q01)

Data file: INT_STQ09_DEC11

Overview

Valid: 500390

Invalid: 15568

Type: Discrete

Decimal: 0

Start: 217

End: 217

Width: 1

Range: 1 - 4

Format: Numeric

Questions and instructions

Categories

Value	Category	Cases
1	Never or hardly ever	69549	13.9%
2	Some lessons	200410	40.1%
3	Most lessons	150657	30.1%
4	All Lessons	79774	15.9%
7	N/A	4017
8	Invalid	675
9	Miss	10876

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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