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

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311568

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2537

BSBG05 (BSBG05)

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

Overview

Valid: 986

Invalid: 14

Type: Discrete

Decimal: 0

loc_start_pos: 31

loc_end_pos: 31

Width: 1

Range: 1 - 5

Format: Numeric

Questions and instructions

Categories

Value	Category	Cases
1	None	34	3.4%
2	1-3 devices	162	16.4%
3	4-6 devices	231	23.4%
4	7-10 devices	277	28.1%
5	More than 10 devices	282	28.6%
Sysmiss		14

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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