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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380586

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SCI\PREPARED\EARTH\EARTHS SOLAR SYSTEM (ATBS10CE)

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

Overview

Valid: 656

Invalid: 344

Type: Discrete

Decimal: 0

loc_start_pos: 289

loc_end_pos: 289

Width: 1

Range: 1 - 4

Format: Numeric

Questions and instructions

Categories

Value	Category	Cases
1	Not applicable	127	19.4%
2	Very well prepared	408	62.2%
3	Somewhat prepared	108	16.5%
4	Not well prepared	13	2%
Sysmiss		344

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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