Trends in International Mathematics and Science Study 2015

International, 2015

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Reference ID

int-iea-timss-2015-v1

Producer(s)

TIMSS & PIRLS International Study Center

Collections

TIMSS and PIRLS

Metadata

DDI/XML JSON

Created on

Mar 20, 2021

Last modified

Mar 20, 2021

Page views

245274

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SCI\PROF DEVELOPMENT HOURS (ATBS09)

Data file: timss-2015-pop1-bg-teacher-allcountries-metadata

Overview

Valid: 658

Invalid: 342

Type: Discrete

Decimal: 0

loc_start_pos: 268

loc_end_pos: 268

Width: 1

Range: 1 - 5

Format: Numeric

Questions and instructions

Categories

Value	Category	Cases
1	None	283	43%
2	Less than 6 hours	155	23.6%
3	6â€“15 hours	116	17.6%
4	16â€“35 hours	59	9%
5	More than 35 hours	45	6.8%
Sysmiss		342

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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