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

249321

Downloads

2185

THINGS PLANTS AND ANIMALS NEED (1) (SR61010)

Data file: timss-2015-pop1-stu-ach-reliable-allcountries-metadata

Overview

Valid: 118

Invalid: 882

Type: Discrete

Decimal: 0

loc_start_pos: 278

loc_end_pos: 278

Width: 1

Range: 1 - 3

Format: Numeric

Questions and instructions

Categories

Value	Category	Cases
1	CORRECT RESPONSE	62	52.5%
2	INCORRECT RESPONSE	30	25.4%
3	INCORRECT RESPONSE_duplicated_79	26	22%
Sysmiss		882

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