Trends in International Mathematics and Science Study 2015

International, 2015

Get Microdata

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

248508

Downloads

2185

IS ELEMENT METAL OR NONMETAL (1) (S052051)

Data file: TIMSS-2015-pop2-ach-reliable-allcountries-metadata

Overview

Valid: 138

Invalid: 862

Type: Discrete

Decimal: 0

loc_start_pos: 500

loc_end_pos: 500

Width: 1

Range: 1 - 2

Format: Numeric

Questions and instructions

Categories

Value	Category	Cases
1	CORRECT RESPONSE	42	30.4%
2	INCORRECT RESPONSE	96	69.6%
Sysmiss		862

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.

Back to Catalog