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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WHAT CAUSES THE PHASES OF THE MOON (B) (S042257)

Data file: TIMSS-2015-pop2-studen-achievement-allcountries-metadata

Overview

Valid: 141

Invalid: 859

Type: Discrete

Decimal: 0

loc_start_pos: 348

loc_end_pos: 348

Width: 1

Range: 1 - 4

Format: Numeric

Questions and instructions

Categories

Value	Category	Cases
1	A	22	15.6%
2	B*	76	53.9%
3	C	29	20.6%
4	D	14	9.9%
Sysmiss		859

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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