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

311678

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2537

GEN\DIGITAL INFORMATION DEVICES (ASBH15)

Data file: timss-2015-pop1-num-bg-hm-allcountries-metadata

Overview

Valid: 868

Invalid: 132

Type: Discrete

Decimal: 0

loc_start_pos: 87

loc_end_pos: 87

Width: 1

Range: 1 - 5

Format: Numeric

Questions and instructions

Categories

Value	Category	Cases
1	None	150	17.3%
2	1-3 devices	393	45.3%
3	4-6 devices	190	21.9%
4	7-10 devices	83	9.6%
5	More than 10 devices	52	6%
Sysmiss		132

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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