In creating groups of subjects for an experimental study, which one of the following procedures would MOST likely produce random groups for a class of thirty students?

Question

Quizplus · Accepted Answer

Tossing a coin to select students alternately one by one into the experimental and control groups is the most likely procedure to produce random groups. This method is unbiased and does not favor any particular student characteristic or selection method. Option B selects students based on their arrival time, Option C selects students based on their willingness to volunteer, and Option D selects students based on their academic performance, all of which may introduce bias into the study.

In Creating Groups of Subjects for an Experimental Study, Which