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

383670

Downloads

2774

BTBS18O (BTBS18O)

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

Overview

Valid: 901

Invalid: 99

Type: Discrete

Decimal: 0

loc_start_pos: 138

loc_end_pos: 138

Width: 1

Range: 1 - 4

Format: Numeric

Questions and instructions

Categories

Value	Category	Cases
1	Every or almost every lesson	85	9.4%
2	About half the lessons	187	20.8%
3	Some lessons	447	49.6%
4	Never	182	20.2%
Sysmiss		99

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