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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GEN\SCH CHARACTER\TCH EXPECTATIONS (ACBG15C)

Data file: timss-2015-pop1-num-bg-sch-allcountries-metadata

Overview

Valid: 963

Invalid: 37

Type: Discrete

Decimal: 0

loc_start_pos: 62

loc_end_pos: 62

Width: 1

Range: 1 - 5

Format: Numeric

Questions and instructions

Categories

Value	Category	Cases
1	Very high	171	17.8%
2	High	513	53.3%
3	Medium	258	26.8%
4	Low	19	2%
5	Very low	2	0.2%
Sysmiss		37

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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