Which of the following is CORRECT concerning random assignment?
A) In random assignment, each participant has an equal chance for each condition.
B) In random assignment, each participant is assigned alphabetically to each condition.
C) Random assignment can only be determined after an experiment is over.
D) The best formula for random assignment is birth dates.

Question

Which of the following is CORRECT concerning random assignment?
A) In random assignment, each participant has an equal chance for each condition. 
B) In random assignment, each participant is assigned alphabetically to each condition.
C) Random assignment can only be determined after an experiment is over.
D) The best formula for random assignment is birth dates.

Quizplus · Accepted Answer

Random assignment means that each participant has an equal chance of being placed in any of the conditions being tested. Option B is incorrect because assigning participants alphabetically is not random. Random assignment should be done using a random number generator or similar method. Option C is incorrect because random assignment should be determined before an experiment begins. Option D is incorrect because using birth dates is not a valid method for random assignment and could introduce bias.

Which of the Following Is CORRECT Concerning Random Assignment