Contrived data set of an hypothetical study about the efficacy of a new training method for improving the performance of baseball players. 2x2 factorial design with two factors: training method and expertise of the player.
Rosnow
A data frame with 36 observations and three columns:
method
Training method. Factor with levels control
and Ralphing
.
experience
Experience of the player in championship competition. Factor with levels no
, yes
.
hits
Performance scores, measured as total number of hits in an experimentally devised game.