Description

The Baumann data frame has 66 rows and 6 columns. The data are from an experimental study conducted by Baumann and Jones, as reported by Moore and McCabe (1993) Students were randomly assigned to one of three experimental groups.

Usage

Format

This data frame contains the following columns:

group

Experimental group; a factor with levels: Basal, traditional method of teaching; DRTA, an innovative method; Strat, another innovative method.

pretest.1

First pretest.

pretest.2

Second pretest.

post.test.1

First post-test.

post.test.2

Second post-test.

post.test.3

Third post-test.

Source

Moore, D. S. and McCabe, G. P. (1993) Introduction to the Practice of Statistics, Second Edition. Freeman, p. 794–795.

References

Fox, J. (2016) Applied Regression Analysis and Generalized Linear Models, Third Edition. Sage.

Fox, J. and Weisberg, S. (2019) An R Companion to Applied Regression, Third Edition, Sage.