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

244869

Downloads

2173

ELEMENT, COMPOUND, MIXTURE: COBALT (A) (S062018E)

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

Overview

Valid: 130

Invalid: 870

Type: Discrete

Decimal: 0

loc_start_pos: 323

loc_end_pos: 323

Width: 1

Range: 1 - 3

Format: Numeric

Questions and instructions

Categories

Value	Category	Cases
1	A*	56	43.1%
2	B	34	26.2%
3	C	40	30.8%
Sysmiss		870

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