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

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Created on

Mar 20, 2021

Last modified

Mar 20, 2021

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IDENTIFY 2 ACUTE ANGLES FROM THE FIGURE (1) (M061236)

Data file: TIMSS-2015-pop1-studen-achievement-allcountries-metadata

Overview

Valid: 141

Invalid: 859

Type: Discrete

Decimal: 0

loc_start_pos: 149

loc_end_pos: 149

Width: 1

Range: 1 - 4

Format: Numeric

Questions and instructions

Categories

Value	Category	Cases
1	CORRECT RESPONSE	58	41.1%
2	INCORRECT RESPONSE	49	34.8%
3	INCORRECT RESPONSE_duplicated_71	10	7.1%
4	INCORRECT RESPONSE_duplicated_79	24	17%
Sysmiss		859

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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