Which of the following is NOT a necessary goal for the creation of a valid experimental manipulation?
A) Impact
B) The creation of initial equivalence
C) Standardization of conditions
D) Matching of groups

Question

Quizplus · Accepted Answer

Matching of groups is not a necessary goal for the creation of a valid experimental manipulation. Instead, it's a strategy that can be used to achieve initial equivalence among groups, but it's not the only method to do so. Random assignment is another common method to ensure initial equivalence, making matching an optional rather than a necessary goal.

Which of the Following Is NOT a Necessary Goal for the Creation