Trends in International Mathematics and Science Study 2015

International, 2015

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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

262937

Downloads

2308

ASDHLNT (ASDHLNT)

Data file: timss-2015-pop1-bg-hm-allcountries-metadata

Overview

Valid: 791

Invalid: 209

Type: Discrete

Decimal: 0

loc_start_pos: 190

loc_end_pos: 190

Width: 1

Range: 1 - 3

Format: Numeric

Questions and instructions

Categories

Value	Category	Cases
1	Very well	199	25.2%
2	Moderately well	392	49.6%
3	Not well	200	25.3%
Sysmiss		209

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.

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