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

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Created on

Mar 20, 2021

Last modified

Mar 20, 2021

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TOTAL STUDENTS IN 4 CLASSES WITH 23 IN EACH (B) (MN11023)

Data file: timss-2015-pop1-num-ach-allcountries-metadata

Overview

Valid: 385

Invalid: 615

Type: Discrete

Decimal: 0

loc_start_pos: 102

loc_end_pos: 102

Width: 1

Range: 1 - 4

Format: Numeric

Questions and instructions

Categories

Value	Category	Cases
1	A	47	12.2%
2	B*	222	57.7%
3	C	95	24.7%
4	D	21	5.5%
Sysmiss		615

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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