Three tennis players, one a beginner, one experienced, and one professional, have been randomly selected from the membership of a large city tennis club. Using the same ball, each person hits four serves with each of five racquet models, with the five racquet models selected randomly. Each serve is clocked with a radar gun and the result recorded. Among ANOVA models, this setup is most like the randomized block design.

Question

Quizplus · Accepted Answer

In both the randomized block design and this setup, there are different treatments applied to different blocks of subjects, with the goal of reducing variability and increasing accuracy of results. In this case, the different racquet models are the treatments and the three players are the blocks.

Three Tennis Players, One a Beginner, One Experienced, and One