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

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WOOD/METAL CONTAINER TO KEEP ICE (1) (S042400)

Data file: TIMSS-2015-pop2-studen-achievement-allcountries-metadata

Overview

Valid: 115

Invalid: 885

Type: Discrete

Decimal: 0

loc_start_pos: 262

loc_end_pos: 262

Width: 1

Range: 1 - 5

Format: Numeric

Questions and instructions

Categories

Value	Category	Cases
1	CORRECT RESPONSE	20	17.4%
2	CORRECT RESPONSE_duplicated_11	9	7.8%
3	INCORRECT RESPONSE	4	3.5%
4	INCORRECT RESPONSE_duplicated_71	17	14.8%
5	INCORRECT RESPONSE_duplicated_79	65	56.5%
Sysmiss		885

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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