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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262570

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BTBS24 (BTBS24)

Data file: TIMSS-2015-pop2-bg-teacher-sci-allcountries-metadata

Overview

Valid: 911

Invalid: 89

Type: Discrete

Decimal: 0

loc_start_pos: 187

loc_end_pos: 187

Width: 1

Range: 1 - 5

Format: Numeric

Questions and instructions

Categories

Value	Category	Cases
1	None	146	16%
2	Less than 6 hours	157	17.2%
3	6â€“15 hours	238	26.1%
4	16â€“35 hours	151	16.6%
5	More than 35 hours	219	24%
Sysmiss		89

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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