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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GEN\STUDENTS BACKGROUND\ECONOMIC AFFLUEN (BCBG03B)

Data file: TIMSS-2015-pop2-bg-sch-allcountries-metadata

Overview

Valid: 904

Invalid: 96

Type: Discrete

Decimal: 0

loc_start_pos: 10

loc_end_pos: 10

Width: 1

Range: 1 - 4

Format: Numeric

Questions and instructions

Categories

Value	Category	Cases
1	0 to 10%	334	36.9%
2	11 to 25%	181	20%
3	26 to 50%	145	16%
4	More than 50%	244	27%
Sysmiss		96

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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