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

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Documentation in PDF DDI/XML JSON

Created on

May 08, 2012

Last modified

May 25, 2020

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1320348

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Data file: TIMSS 2007 - Population 2 - Sci Teacher Bg - All Countries v1

Overview

Valid: 0

Invalid: 0

Type: Discrete

Decimal: 0

loc_start_pos: 210

loc_end_pos: 210

Width: 1

Range: 1 - 9

Format: Numeric

Questions and instructions

Categories

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