Which of the following is an example of random allocation of subjects to groups?
a. A sign-up sheet is passed around the class with times. Participants are allowed to sign up for the time that fits them best
b. Rats are pulled from a group cage and the first batch are placed in Condition 1, the second in Condition 2, and so on
c. Assign numbers individually and non-systematically, then look at a random number table to allocate them to groups.
d. Divide participants based on where they live
Question 2
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.
A deaf baby attempting to sign.
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