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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382210

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PLANT AND ANIMAL CELLS DIFFERENT (2) (S062098B)

Data file: TIMSS-2015-pop2-ach-reliable-allcountries-metadata

Overview

Valid: 102

Invalid: 898

Type: Discrete

Decimal: 0

loc_start_pos: 494

loc_end_pos: 494

Width: 1

Range: 1 - 4

Format: Numeric

Questions and instructions

Categories

Value	Category	Cases
1	PARTIALLY CORRECT RESPONSE	25	24.5%
2	CORRECT RESPONSE	19	18.6%
3	INCORRECT RESPONSE	11	10.8%
4	INCORRECT RESPONSE_duplicated_79	47	46.1%
Sysmiss		898

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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