Trends in International Mathematics and Science Study 2015

International, 2015

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Reference ID

int-iea-timss-2015-v1

Producer(s)

TIMSS & PIRLS International Study Center

Collections

TIMSS and PIRLS

Metadata

DDI/XML JSON

Created on

Mar 20, 2021

Last modified

Mar 20, 2021

Page views

385272

Downloads

2796

BSBM25BA (BSBM25BA)

Data file: TIMSS-2015-pop2-bg-stu-allcountries-metadata

Overview

Valid: 925

Invalid: 75

Type: Discrete

Decimal: 0

loc_start_pos: 152

loc_end_pos: 152

Width: 1

Range: 1 - 6

Format: Numeric

Questions and instructions

Categories

Value	Category	Cases
1	No mathematics homework	38	4.1%
2	1â€“15 minutes	301	32.5%
3	16â€“30 minutes	297	32.1%
4	31â€“60 minutes	199	21.5%
5	61â€“90 minutes	45	4.9%
6	More than 90 minutes	45	4.9%
Sysmiss		75

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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