Trends in International Mathematics and Science Study, South Africa 2002
Grade 9

South Africa, 2002

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Reference ID

zaf-iea-tpisc-timss-g9-2002-v1

DOI

https://doi.org/10.25828/rnex-4873

Producer(s)

TIMSS & PIRLS International Study Center

Collections

TIMSS and PIRLS

Metadata

Documentation in PDF DDI/XML JSON

Created on

May 11, 2026

Last modified

May 11, 2026

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mat\how often\we work in groups (bsbmhwsg)

Data file: timss-2002-sa-gr9-v1

Overview

Valid: 3959

Minimum: 1

Maximum: 7

Mean: 1.9004799191715

Standard deviation: 1.0734506900977

Type: Discrete

Width: 8

Format: Numeric

Questions and instructions

Categories

Value	Category	Cases
1	every or almost every lesson	1978	50.2%
2	about half the lessons	796	20.2%
3	some lessons	846	21.5%
4	never	319	8.1%
9	omitted	0

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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