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

269434

Downloads

2368

447 + 232 + 713 = (C) (MN11135)

Data file: timss-2015-pop1-num-ach-allcountries-metadata

Overview

Valid: 395

Invalid: 605

Type: Discrete

Decimal: 0

loc_start_pos: 23

loc_end_pos: 23

Width: 1

Range: 1 - 4

Format: Numeric

Questions and instructions

Categories

Value	Category	Cases
1	A	33	8.4%
2	B	43	10.9%
3	C*	265	67.1%
4	D	54	13.7%
Sysmiss		605

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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