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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382704

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2772

WRITE NUMBERS THAT ROUND TO 200, 500 (2) (M061243)

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

Overview

Valid: 122

Invalid: 878

Type: Discrete

Decimal: 0

loc_start_pos: 115

loc_end_pos: 115

Width: 1

Range: 1 - 4

Format: Numeric

Questions and instructions

Categories

Value	Category	Cases
1	PARTIALLY CORRECT RESPONSE	9	7.4%
2	PARTIALLY CORRECT RESPONSE_duplicated_11	6	4.9%
3	CORRECT RESPONSE	63	51.6%
4	INCORRECT RESPONSE	44	36.1%
Sysmiss		878

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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