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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321036

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2539

GEN\AMOUNT OF BOOKS IN YOUR HOME (ASBG04)

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

Overview

Valid: 942

Invalid: 58

Type: Discrete

Decimal: 0

loc_start_pos: 30

loc_end_pos: 30

Width: 1

Range: 1 - 5

Format: Numeric

Questions and instructions

Categories

Value	Category	Cases
1	0â€“10 books	374	39.7%
2	11â€“25 books	289	30.7%
3	26â€“100 books	153	16.2%
4	101â€“200 books	74	7.9%
5	More than 200	52	5.5%
Sysmiss		58

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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