When _______ is used, every subject in a study has an equal chance of being placed in each of the groups being formed?
A) random assignment
B) equivalent groups
C) matching
D) selective assignment

Question

Quizplus · Accepted Answer

Random assignment is the method used to ensure that every subject in a study has an equal chance of being placed in each group being formed. This helps to eliminate any potential bias and ensures that any differences observed between the groups are a result of the intervention being studied rather than differences in the characteristics of the subjects in each group.

When _______ Is Used, Every Subject in a Study Has