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

36450

Downloads

4577

SCIE - P2006 Solar Power Generation (Q07) (S415Q07T)

Data file: INT_COG09_TD_DEC11

Overview

Valid: 157824

Invalid: 358134

Type: Discrete

Start: 209

End: 209

Width: 1

Range: -

Format: character

Questions and instructions

Categories

Value	Category	Cases
0	No credit	13071	8.3%
1	No credit	35158	22.3%
2	Full credit	96914	61.4%
8	Invalid	91	0.1%
9	Missing	3420	2.2%
r	Not reached	9170	5.8%
7	N/A	358134

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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