Programme for International Student Assessment, Computer-Based Assessment 2012

Albania, United Arab Emirates, Argentina...and 60 more, 2012

Reference ID

WLD_2012_PISA-CBA_v01_M

Producer(s)

Organisation for Economic Co-operation and Development

Metadata

Documentation in PDF DDI/XML JSON

Created on

Sep 05, 2014

Last modified

Jun 14, 2022

Page views

80970

Downloads

15945

Maths lessons - Algebra (IC11Q05)

Data file: CBA_STU12_MAR31

Overview

Valid: 180839

Invalid: 90484

Type: Discrete

Decimal: 0

Start: 441

End: 441

Width: 1

Range: 1 - 3

Format: Numeric

Questions and instructions

Categories

Value	Category	Cases
1	Yes, students did this	24023	13.3%
2	Yes, but only the teacher demonstrated this	21001	11.6%
3	No	135815	75.1%
7	N/A	80314
8	Invalid	222
9	Missing	9948

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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