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

Page views

382790

Downloads

2772

ADD 0.36 + 0.77 (1) (MR41087)

Data file: timss-2015-pop1-stu-ach-reliable-allcountries-metadata

Overview

Valid: 132

Invalid: 868

Type: Discrete

Decimal: 0

loc_start_pos: 26

loc_end_pos: 26

Width: 1

Range: 1 - 4

Format: Numeric

Questions and instructions

Categories

Value	Category	Cases
1	CORRECT RESPONSE	78	59.1%
2	INCORRECT RESPONSE	17	12.9%
3	INCORRECT RESPONSE_duplicated_71	5	3.8%
4	INCORRECT RESPONSE_duplicated_79	32	24.2%
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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