A data set from Field et al (2012)
data(drink_attitude_wide)
A data frame with 20 rows and 10 columns. Drink and Imagery are within subject variables. Particpant is a factor.
Factor: Participant ID number
Attitude where drink=beer and imagery=positive
Attitude where drink=beer and imagery=negative
Attitude where drink=beer and imagery=neutral
Attitude where drink=wine and imagery=positive
Attitude where drink=wine and imagery=negative
Attitude where drink=wine and imagery=neutral
Attitude where drink=water and imagery=positive
Attitude where drink=water and imagery=negative
Attitude where drink=water and imagery=neutral
Field, A., Miles, J., & Field, Z. (2012) Discovering Statistics Using R. Sage: Chicago.