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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311646

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2537

BSBB38AB (BSBB38AB)

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

Overview

Valid: 185

Invalid: 815

Type: Discrete

Decimal: 0

loc_start_pos: 280

loc_end_pos: 280

Width: 1

Range: 1 - 5

Format: Numeric

Questions and instructions

Categories

Value	Category	Cases
1	Every day	46	24.9%
2	3 or 4 times a week	32	17.3%
3	1 or 2 times a week	67	36.2%
4	Less than once a week	27	14.6%
5	Never	13	7%
Sysmiss		815

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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