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

Page views

384692

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BSDMWKHW (BSDMWKHW)

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

Overview

Valid: 950

Invalid: 50

Type: Discrete

Decimal: 0

loc_start_pos: 1311

loc_end_pos: 1311

Width: 1

Range: 1 - 3

Format: Numeric

Questions and instructions

Categories

Value	Category	Cases
1	3 Hours or More	148	15.6%
2	More than 45 minutes but Less than 3 Hours	327	34.4%
3	45 Minutes or Less	475	50%
Sysmiss		50

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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