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

37326

Downloads

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Time - Science Lessons (IC07Q03)

Data file: INT_STQ09_DEC11

Overview

Valid: 301885

Invalid: 214073

Type: Discrete

Decimal: 0

Start: 284

End: 284

Width: 1

Range: 1 - 4

Format: Numeric

Questions and instructions

Categories

Value	Category	Cases
1	No time	229903	76.2%
2	0-30 minutes a week	41947	13.9%
3	31-60 minutes a week	20538	6.8%
4	More than 60 minutes a week	9497	3.1%
7	N/A	203040
8	Invalid	446
9	Miss	10587

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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