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 (ACBG03B)

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

Overview

Valid: 827

Invalid: 173

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%	444	53.7%
2	11 to 25%	139	16.8%
3	26 to 50%	117	14.1%
4	More than 50%	127	15.4%
Sysmiss		173

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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