Randomization is used to assign research participants to groups in order to
A) prevent assembling groups that differ in a way that may influence the research outcome.
B) make sure that all participants in the study are the same with respect to the dependent variable when the study is concluded.
C) make sure that all participants are the same with respect to the independent variable before the study begins.
D) prevent any differences in the way the independent variable is manipulated for all research subjects.

Question

Quizplus · Accepted Answer

Randomization helps to create groups that are similar in terms of potential influencing factors, such as age, gender, or past experiences, in order to reduce the likelihood of these factors affecting the research outcome. Randomization does not have an impact on the independent or dependent variables, but instead helps to control extraneous variables.

Randomization Is Used to Assign Research Participants to Groups in Order