Arousal in Rats

40 rats were given divided randomly into four groups and assigned to one of four treatments: placebo, drug A, drug B, or both drug A and drug B. Response is a standard measure of physiological arousal.

Usage

data(arousal)

Format

A data frame with 40 observations, 10 in each of 4 columns the corresponding to placebo, drug A, drug B and both drug A and drug B; no NAs.

Placebo

Rats receiving a placebo treatment.

Drug.A

Rats receiving only drug A.

Drug.B

Rats receiving only drug B.

Drug.A.B

Rats receiving both drug A and drug B.

Source

Richard Lowry. Concepts & Applications of Inferential Statistics. Vassar College, Poughkeepsie, N.Y., 2010, http://faculty.vassar.edu/lowry/webtext.html