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

322283

Downloads

2539

MATH\HOMEWORK\CORRECT ASSIGNMENTS (BTBM22CA)

Data file: TIMSS-2015-pop2-bg-teacher-math-allcountries-metadata

Overview

Valid: 904

Invalid: 96

Type: Discrete

Decimal: 0

loc_start_pos: 168

loc_end_pos: 168

Width: 1

Range: 1 - 3

Format: Numeric

Questions and instructions

Categories

Value	Category	Cases
1	Always or almost always	506	56%
2	Sometimes	340	37.6%
3	Never or almost never	58	6.4%
Sysmiss		96

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