Trends in International Mathematics and Science Study 2015

International, 2015

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Reference ID

int-iea-timss-2015-v1

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TIMSS & PIRLS International Study Center

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TIMSS and PIRLS

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Mar 20, 2021

Last modified

Mar 20, 2021

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IDENTIFY NUMBER BETWEEN 1.4 AND 1.78 (B) (M061041)

Data file: TIMSS-2015-pop1-studen-achievement-allcountries-metadata

Overview

Valid: 128

Invalid: 872

Type: Discrete

Decimal: 0

loc_start_pos: 194

loc_end_pos: 194

Width: 1

Range: 1 - 4

Format: Numeric

Questions and instructions

Categories

Value	Category	Cases
1	A	27	21.1%
2	B*	49	38.3%
3	C	28	21.9%
4	D	24	18.8%
Sysmiss		872

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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