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

384372

Downloads

2791

MAT\PREPARED\GEOMETRY\COORDINATE SYSTEMS (ATBM11BC)

Data file: timss-2015-pop1-num-bg-teacher-allcountries-metadata

Overview

Valid: 873

Invalid: 127

Type: Discrete

Decimal: 0

loc_start_pos: 185

loc_end_pos: 185

Width: 1

Range: 1 - 4

Format: Numeric

Questions and instructions

Categories

Value	Category	Cases
1	Not applicable	217	24.9%
2	Very well prepared	496	56.8%
3	Somewhat prepared	121	13.9%
4	Not well prepared	39	4.5%
Sysmiss		127

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