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

244397

Downloads

2173

Number of Home Study Supports (ASDG05S)

Data file: timss-2015-pop1-bg-stu-allcountries-metadata

Overview

Valid: 974

Invalid: 26

Type: Discrete

Decimal: 0

loc_start_pos: 913

loc_end_pos: 913

Width: 1

Range: 1 - 3

Format: Numeric

Questions and instructions

Categories

Value	Category	Cases
1	Neither Own Room nor Internet Connection	73	7.5%
2	Either Own Room or Internet Connection	350	35.9%
3	Both Own Room and Internet Connection	551	56.6%
Sysmiss		26

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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