Which of the following is NOT a reason someone would use random assignment?
A) to assure that each participant has an equal chance of being in either experimental condition
B) to balance out differences between experimental groups
C) to rule out the third variable problem
D) to assure that people within each group are similar to one another

Question

Quizplus · Accepted Answer

Random assignment is used to ensure that each participant has an equal chance of being assigned to any group, thereby balancing out potential pre-existing differences between groups and helping to rule out third variables. It does not, however, assure that people within each group are similar to one another; similarities within groups would be a matter of random chance rather than a guaranteed outcome of random assignment.

Which of the Following Is NOT a Reason Someone Would