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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GIVE REASON FOR YOUR SELECTION (1) (M041065B)

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

Overview

Valid: 102

Invalid: 898

Type: Discrete

Decimal: 0

loc_start_pos: 75

loc_end_pos: 75

Width: 1

Range: 1 - 7

Format: Numeric

Questions and instructions

Categories

Value	Category	Cases
1	CORRECT RESPONSE	30	29.4%
2	CORRECT RESPONSE_duplicated_11	1	1%
3	CORRECT RESPONSE_duplicated_12	2	2%
4	CORRECT RESPONSE_duplicated_13	5	4.9%
5	INCORRECT RESPONSE	3	2.9%
6	INCORRECT RESPONSE_duplicated_71	5	4.9%
7	INCORRECT RESPONSE_duplicated_79	56	54.9%
Sysmiss		898

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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