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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SCI\PREPARED\EARTH\WATER ON EARTH (ATBS10CB)

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

Overview

Valid: 657

Invalid: 343

Type: Discrete

Decimal: 0

loc_start_pos: 286

loc_end_pos: 286

Width: 1

Range: 1 - 4

Format: Numeric

Questions and instructions

Categories

Value	Category	Cases
1	Not applicable	109	16.6%
2	Very well prepared	433	65.9%
3	Somewhat prepared	104	15.8%
4	Not well prepared	11	1.7%
Sysmiss		343

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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