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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384463

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2791

MAT\ HOURS (ATBM10)

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

Overview

Valid: 890

Invalid: 110

Type: Discrete

Decimal: 0

loc_start_pos: 174

loc_end_pos: 174

Width: 1

Range: 1 - 5

Format: Numeric

Questions and instructions

Categories

Value	Category	Cases
1	None	281	31.6%
2	Less than 6 hours	125	14%
3	6â€“15 hours	158	17.8%
4	16â€“35 hours	153	17.2%
5	More than 35 hours	173	19.4%
Sysmiss		110

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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