Description Usage Format Source
Acheivement and pretest scores for students under different curricula and
teachers (effect coded groups). Similar to ex10.1
except the
pretest values are modified to have differences across the predictors
curriculum
and teacher
.
1 |
A data frame with 40 observations of 4 variables.
The student's achievement score
-1 = old, 1 = new
-1 = Teacher A, 1 = Teacher B
The student's pretest achievement score
<http://www.dataanalysisbook.com/datasetsInTextbook.html>
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