Programme for International Student Assessment 2006

Argentina, Australia, Austria...and 54 more, 2006

Reference ID

WLD_2006_PISA_v01_M

Producer(s)

Organisation for Economic Co-operation and Development (OECD)

Metadata

Documentation in PDF DDI/XML JSON

Study website

Created on

Nov 23, 2011

Last modified

Jun 14, 2022

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Environmental optimism PISA 2006 (WLE) (ENVOPT)

Data file: INT_Stu06_Dec07

Overview

Valid: 392644

Invalid: 6106

Minimum: -1.605

Maximum: 2.852

Mean: 0.0728

Standard deviation: 1.071

Type: Continuous

Decimal: 4

Start: 437

End: 444

Width: 8

Range: -1.6054 - 2.8518

Format: Numeric

Questions and instructions

Categories

Value	Category
997	N/A
999	Missing

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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