A sample data set from a course about the analysis of factorial
designs, by Mattan S. Ben-Shachar. See following link for more information:
https://github.com/mattansb/Analysis-of-Factorial-Designs-foR-Psychologists
The data consists of five variables from 120 observations:
ID
: A unique identifier for each participant
sex
: The participant's sex
time
: The time of day the participant was tested (morning, noon, or afternoon)
coffee
: Group indicator, whether participant drank coffee or not
("coffee"
or "control"
).
alertness
: The participant's alertness score.