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    Home / Data Portal / TIMSS-PIRLS / INT-IEA-TIMSS-2015-V1 / variable [F34]
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
244222
Downloads
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  • Study Description
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  • Data files
  • timss-2015-pop1-bg-hm-allcountries-metadata
  • timss-2015-pop1-bg-sch-allcountries-metadata
  • timss-2015-pop1-bg-stu-allcountries-metadata
  • timss-2015-pop1-bg-teacher-allcountries-metadata
  • timss-2015-pop1-num-ach-allcountries-metadata
  • timss-2015-pop1-num-ach-reliable-allcountries-metadata
  • timss-2015-pop1-num-bg-hm-allcountries-metadata
  • timss-2015-pop1-num-bg-sch-allcountries-metadata
  • timss-2015-pop1-num-bg-stu-allcountries-metadata
  • timss-2015-pop1-num-bg-teacher-allcountries-metadata
  • timss-2015-pop1-num-stu-teacher-link-allcountries-metadata
  • timss-2015-pop1-stu-ach-reliable-allcountries-metadata
  • TIMSS-2015-pop1-studen-achievement-allcountries-metadata
  • timss-2015-pop1-stu-teacher-link-allcountries-metadata
  • TIMSS-2015-pop2-ach-reliable-allcountries-metadata
  • TIMSS-2015-pop2-bg-sch-allcountries-metadata
  • TIMSS-2015-pop2-bg-stu-allcountries-metadata
  • TIMSS-2015-pop2-bg-teacher-math-allcountries-metadata
  • TIMSS-2015-pop2-bg-teacher-sci-allcountries-metadata
  • TIMSS-2015-pop2-studen-achievement-allcountries-metadata
  • TIMSS-2015-pop2-stu-teacher-link-allcountries-metadata

FIND PERCENT OF FIR TREES IN A PARK GIVEN A RATIO (A) (M062146)

Data file: TIMSS-2015-pop2-studen-achievement-allcountries-metadata

Overview

Valid: 125
Invalid: 875
Type: Discrete
Decimal: 0
loc_start_pos: 233
loc_end_pos: 233
Width: 1
Range: 1 - 4
Format: Numeric

Questions and instructions

Categories
Value Category Cases
1 A* 39
31.2%
2 B 30
24%
3 C 42
33.6%
4 D 14
11.2%
Sysmiss 875
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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