Trends in International Mathematics and Science Study 2015

International, 2015

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Reference ID

int-iea-timss-2015-v1

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TIMSS & PIRLS International Study Center

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TIMSS and PIRLS

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Mar 20, 2021

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Mar 20, 2021

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CALCULATE TOTAL SCHOOL ACTIVITY TIME FROM TABLE (1) (MN11270)

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

Overview

Valid: 285

Invalid: 715

Type: Discrete

Decimal: 0

loc_start_pos: 125

loc_end_pos: 125

Width: 1

Range: 1 - 3

Format: Numeric

Questions and instructions

Categories

Value	Category	Cases
1	CORRECT RESPONSE	69	24.2%
2	CORRECT RESPONSE_duplicated_11	27	9.5%
3	INCORRECT RESPONSE	189	66.3%
Sysmiss		715

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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