Dataset of students math achievements
This is a subset of the Classroom Study described in West et. al. (2007) with 156 observations and 6 variables.
A list with the following four components.
Response variable. The students math achievement gain.
Grouping variable comprising the class of the students.
Fixed-effect design matrix. The first column is the intercept, then sex, minority, mathkind, ses, yearstea and mathprep.
Random-effects design matrix. Only one column in order to fit a random intercept model.
A detailed description of the covariates can be found in West et. al. (2007) and was carried out by Hill et. al. (2005)
Brady T. West, Kathleen B. Welch and Andrzei T. Galecki (2007), Linear Mixed Models, A Practical Guide Using Statistical Software,Chapman and Hall.
H.C. Hill, B. Rowan and D.L. Ball (2005) "Effect of teachers" mathematical knowledge for teaching on student achievements, American Educational Research Journal, 42, 371-406.
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