Trends in International Mathematics and Science Study 2011

International, 2011

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Reference ID

int-iea-timss-2011-v1.1

Producer(s)

TIMSS & PIRLS International Study Center

Collections

TIMSS and PIRLS

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Created on

Aug 12, 2015

Last modified

May 25, 2020

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483009

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RELIABILITY CODING STATUS (ILRELIAB)

Data file: TIMSS 2011 - Population 1 - Student Written Assessment - All Countries v1.0

Overview

Valid: 0

Invalid: 0

Type: Discrete

Decimal: 0

loc_start_pos: 999

loc_end_pos: 999

Width: 1

Range: 0 - 9

Format: Numeric

Questions and instructions

Categories

Value	Category
0	STUDENTS BOOKLET NOT USED FOR R-SCORING
1	STUDENTS BOOKLET WAS USED FOR R-SCORING
9	OMITTED OR INVALID

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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