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

263008

Downloads

2308

ASBH09BA (ASBH09BA)

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

Overview

Valid: 753

Invalid: 247

Type: Discrete

Decimal: 0

loc_start_pos: 69

loc_end_pos: 69

Width: 1

Range: 1 - 5

Format: Numeric

Questions and instructions

Categories

Value	Category	Cases
1	Every day	612	81.3%
2	3 or 4 times a week	92	12.2%
3	1 or 2 times a week	35	4.6%
4	Less than once a week	8	1.1%
5	Never or almost never	6	0.8%
Sysmiss		247

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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