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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321004

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2539

GEN\OFTEN SPEAK AT HOME (ASBG03)

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

Overview

Valid: 946

Invalid: 54

Type: Discrete

Decimal: 0

loc_start_pos: 29

loc_end_pos: 29

Width: 1

Range: 1 - 4

Format: Numeric

Questions and instructions

Categories

Value	Category	Cases
1	Always	440	46.5%
2	Almost always	100	10.6%
3	Sometimes	283	29.9%
4	Never	123	13%
Sysmiss		54

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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