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

322150

Downloads

2539

MATH\PREPARED\NUMBER\COMPUTING RATIONAL NUMS (BTBM26AC)

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

Overview

Valid: 918

Invalid: 82

Type: Discrete

Decimal: 0

loc_start_pos: 186

loc_end_pos: 186

Width: 1

Range: 1 - 4

Format: Numeric

Questions and instructions

Categories

Value	Category	Cases
1	Not applicable	89	9.7%
2	Very well prepared	791	86.2%
3	Somewhat prepared	35	3.8%
4	Not well prepared	3	0.3%
Sysmiss		82

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