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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243755

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2172

WHAT SUE NEEDS TO IMPROVE ON (1) (M041276B)

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

Overview

Valid: 132

Invalid: 868

Type: Discrete

Decimal: 0

loc_start_pos: 113

loc_end_pos: 113

Width: 1

Range: 1 - 5

Format: Numeric

Questions and instructions

Categories

Value	Category	Cases
1	CORRECT RESPONSE	37	28%
2	CORRECT RESPONSE_duplicated_11	1	0.8%
3	CORRECT RESPONSE_duplicated_12	9	6.8%
4	INCORRECT RESPONSE	11	8.3%
5	INCORRECT RESPONSE_duplicated_79	74	56.1%
Sysmiss		868

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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