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

South Africa, 2002

Get Microdata

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

Page views

2361

Downloads

sci\how often extra lessons (bsbsexto)

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

Overview

Valid: 4174

Minimum: 1

Maximum: 7

Mean: 2.4834690943939

Standard deviation: 1.0754386381571

Type: Discrete

Width: 8

Format: Numeric

Questions and instructions

Categories

Value	Category	Cases
1	every or almost every day	929	22.4%
2	once or twice a week	1141	27.5%
3	sometimes	1321	31.8%
4	never or almost never	763	18.4%
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.

Back to Catalog