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

262972

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2308

ASBH09BB (ASBH09BB)

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

Overview

Valid: 750

Invalid: 250

Type: Discrete

Decimal: 0

loc_start_pos: 70

loc_end_pos: 70

Width: 1

Range: 1 - 5

Format: Numeric

Questions and instructions

Categories

Value	Category	Cases
1	Every day	341	45.5%
2	3 or 4 times a week	149	19.9%
3	1 or 2 times a week	143	19.1%
4	Less than once a week	67	8.9%
5	Never or almost never	50	6.7%
Sysmiss		250

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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