Trends in International Mathematics and Science Study 2007

International, 2007

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Reference ID

int-iea-timss-2007-v1.1

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TIMSS & PIRLS International Study Center

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TIMSS and PIRLS

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Created on

May 08, 2012

Last modified

May 25, 2020

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che\often\in chemistry (bs4ccswc)

Data file: TIMSS 2007 - Bridge Population 2 - Student Bg - All Countries v1

Overview

Valid: 0

Invalid: 0

Type: Discrete

Decimal: 0

loc_start_pos: 272

loc_end_pos: 272

Width: 1

Range: 1 - 9

Format: Numeric

Questions and instructions

Categories

Value	Category
1	every day
2	at least once a week
3	once or twice a month
4	a few times a year
5	never
6	logically not applicable
9	omitted

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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