Trends in International Mathematics and Science Study 2007

International, 2007

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Reference ID

int-iea-timss-2007-v1.1

Producer(s)

TIMSS & PIRLS International Study Center

Collections

TIMSS and PIRLS

Metadata

Documentation in PDF DDI/XML JSON

Created on

May 08, 2012

Last modified

May 25, 2020

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1320964

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ear\how many min homew\earth science (bs4eshwm)

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

Overview

Valid: 0

Invalid: 0

Type: Discrete

Decimal: 0

loc_start_pos: 279

loc_end_pos: 279

Width: 1

Range: 1 - 9

Format: Numeric

Questions and instructions

Categories

Value	Category
1	zero minutes
2	1 to 15 minutes
3	16 to 30 minutes
4	31 to 60 minutes
5	61 to 90 minutes
6	more than 90 minutes
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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