Baumann  R Documentation 
Methods of Teaching Reading Comprehension
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
Baumann
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 posttest.
 post.test.2

Second posttest.
 post.test.3

Third posttest.
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.