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

244898

Downloads

2173

ATOMS IN NITRIC ACID (1) (S062006)

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

Overview

Valid: 131

Invalid: 869

Type: Discrete

Decimal: 0

loc_start_pos: 458

loc_end_pos: 458

Width: 1

Range: 1 - 2

Format: Numeric

Questions and instructions

Categories

Value	Category	Cases
1	CORRECT RESPONSE	55	42%
2	INCORRECT RESPONSE	76	58%
Sysmiss		869

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