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\MAGAZINES WITH DIFFERENT TITLES\DIGITAL (ACBG13BB)

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

Overview

Valid: 308

Invalid: 692

Type: Discrete

Decimal: 0

loc_start_pos: 41

loc_end_pos: 41

Width: 1

Range: 1 - 5

Format: Numeric

Questions and instructions

Categories

Value	Category	Cases
1	0	199	64.6%
2	1â€“5	53	17.2%
3	6â€“10	21	6.8%
4	11â€“30	16	5.2%
5	31 or more	19	6.2%
Sysmiss		692

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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