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

381383

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2763

ASBH03B (ASBH03B)

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

Overview

Valid: 81

Invalid: 919

Type: Discrete

Decimal: 0

loc_start_pos: 44

loc_end_pos: 44

Width: 1

Range: 1 - 4

Format: Numeric

Questions and instructions

Categories

Value	Category	Cases
1	Younger than 3 years old	37	45.7%
2	3 to 5 years old	21	25.9%
3	6 to 7 years old	5	6.2%
4	8 years old or older	18	22.2%
Sysmiss		919

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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