The Programme for International Student Assessment, Electronic Reading Assessment 2009

World, 2009

Reference ID

WLD_2009_PISA-ERA_v01_M

Producer(s)

Organisation for Economic Co-operation and Development (OECD)

Metadata

DDI/XML JSON

Created on

Sep 05, 2014

Last modified

Mar 29, 2019

Page views

58460

Downloads

2950

Student portfolios (SC15Q04)

Data file: ERA_SCQ09_JUNE11

Overview

Valid: 3301

Invalid: 327

Type: Discrete

Decimal: 0

Start: 165

End: 165

Width: 1

Range: -

Format:

Questions and instructions

Categories

Value	Category
1	Never
2	1-2 times a year
3	3-5 times a year
4	Monthly
5	More than once a month
7	N/A
8	Invalid
9	Miss

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.

Back to Catalog