Trends in International Mathematics and Science Study 1999

International, 1999

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Reference ID

int-iea-timss-1999-v1.1

Producer(s)

TIMSS 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 24, 2020

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420161

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SCI\HOMEWORK BASED ON PROJ. AND INVEST. (BTDSHWK2)

Data file: TIMSS 1999 - Population 2 - Sci Teacher Bg - All Countries v1

Overview

Valid: 0

Invalid: 0

Type: Discrete

Decimal: 0

loc_start_pos: 663

loc_end_pos: 663

Width: 1

Range: 1 - 9

Format: Numeric

Questions and instructions

Categories

Value	Category
1	sometimes or always
2	never or rarely
6	not applicable
8	not admin.
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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