Trends in International Mathematics and Science Study 1999

World, 1999

Reference ID

WLD_1999_TIMSS_v01_M

Producer(s)

TIMSS International Study Center

Metadata

DDI/XML JSON

Created on

Apr 25, 2019

Last modified

Apr 25, 2019

Page views

1400

CSV JSON

If retest interview, indicate number of days (q0003a)

Data file: WHS-Ukraine_F2

Overview

Valid: 2415

Invalid: 396

Type: Discrete

Decimal: 2

Range: -

Format:

Questions and instructions

Literal question

If retest interview, indicate number of days between initial and
retest

Categories

Value	Category
1
2
3
4
7
Sysmiss

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.

Interviewer instructions

The retest must be done within 1-7 days after the initial interviews have been conducted.