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

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311385

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GEN\AMOUNT OF BOOKS FOR CHILDREN AT HOME (ASBH14)

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

Overview

Valid: 859

Invalid: 141

Type: Discrete

Decimal: 0

loc_start_pos: 86

loc_end_pos: 86

Width: 1

Range: 1 - 5

Format: Numeric

Questions and instructions

Categories

Value	Category	Cases
1	0â€“10	515	60%
2	11â€“25	203	23.6%
3	26â€“50	93	10.8%
4	51â€“100	29	3.4%
5	More than 100	19	2.2%
Sysmiss		141

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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