Home / Data Portal / TIMSS-PIRLS / INT-IEA-TIMSS-2015-V1 / variable [F31]
TIMSS-PIRLS

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
311623
Downloads
2537

BSBB38BB (BSBB38BB)

Data file: TIMSS-2015-pop2-bg-stu-allcountries-metadata

Overview

Valid: 169
Invalid: 831
Type: Discrete
Decimal: 0
loc_start_pos: 285
loc_end_pos: 285
Width: 1
Range: 1 - 6
Format: Numeric

Questions and instructions

Categories
Value Category Cases
1 No biology homework 12
7.1%
2 1–15 minutes 61
36.1%
3 16–30 minutes 60
35.5%
4 31–60 minutes 26
15.4%
5 61–90 minutes 5
3%
6 More than 90 minutes 5
3%
Sysmiss 831
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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