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

380605

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2763

SCI\CONFIDENT\ENGAGE STUDENTS INTEREST (ATBS02D)

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

Overview

Valid: 668

Invalid: 332

Type: Discrete

Decimal: 0

loc_start_pos: 200

loc_end_pos: 200

Width: 1

Range: 1 - 4

Format: Numeric

Questions and instructions

Categories

Value	Category	Cases
1	Very high	219	32.8%
2	High	336	50.3%
3	Medium	106	15.9%
4	Low	7	1%
Sysmiss		332

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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