Which of the following is the best means of randomly assigning subjects to conditions?
A) Place students into groups in the order they sign up for the experiment.
B) Placing every other student into one of the two groups.
C) Give each student a number and compare them to a random number table.
D) Give each student a number, write them on slips of paper and shake them in a hat.

Question

Quizplus · Accepted Answer

Using a random number table ensures that every subject has an equal chance of being assigned to each condition, without any bias or influence from the experimenter. The other methods listed may introduce bias or confounding variables.

Which of the Following Is the Best Means of Randomly