ThirdGrade {PracTools}

Third grade population

Description

The ThirdGrade data file is a population of students who participated in the Third International Mathematics and Science Study (TIMSS).

Usage

data(ThirdGrade)

Format

A data frame with 2,427 students on the following variables:

region

Geographic region of the U.S. (1 = Northeast; 2 = South; 3 = Central; 4 = West)

school.id

School identifier (1 - 135)

student.id

Student identifier (1 - 2427)

sex

Sex of student (1 = female; 2 = male)

language

Is language of test spoken at home? (1 = always; 2 = sometimes; 3 = never)

math

Mathematics test score

ethnicity

Ethnicity of student (1 = White, non-Hispanic; 2 = Black; 3 = Hispanic; 4 = Asian; 5 = Native American; 6 = Other)

science

Science test score

community

Type of location of school (2 = village or rural area; 3 = outskirts of a town or city; 4 = close to center of a town or city)

enrollment

Number of students in entire school

Details

The Third Grade population consists of 2,427 students in the U.S. who participated in the Third International Mathematics and Science Study (Caslyn, Gonzales, Frase 1999). The methods used in conducting the original study are given in TIMSS International Study Center (1996). Clusters are schools while units within clusters are the students.

Source

TIMSS International Study Center 1996.

References

Caslyn, C., Gonzales, P., Frase, M. (1999). Highlights from TIMSS. National Center for Education Statistics, Washington DC.

TIMSS International Study Center (1996). Third International Mathematics and Science Study: Technical Report, Volume 1 Design and Development. Boston College: Chestnut Hill MA.

Examples

data(ThirdGrade)
str(ThirdGrade)