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

311590

Downloads

2537

BSBS25BB (BSBS25BB)

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

Overview

Valid: 707

Invalid: 293

Type: Discrete

Decimal: 0

loc_start_pos: 153

loc_end_pos: 153

Width: 1

Range: 1 - 6

Format: Numeric

Questions and instructions

Categories

Value	Category	Cases
1	No science homework	31	4.4%
2	1â€“15 minutes	235	33.2%
3	16â€“30 minutes	248	35.1%
4	31â€“60 minutes	143	20.2%
5	61â€“90 minutes	30	4.2%
6	More than 90 minutes	20	2.8%
Sysmiss		293

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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