Which of the following are necessary in an experimental design?
A) Random assignment and control condition
B) Experimental manipulation and control condition
C) Random assignment and experimental manipulation
D) Null hypothesis and control condition

Question

Quizplus · Accepted Answer

Random assignment ensures that each participant has an equal chance of being assigned to any group in the experiment, reducing bias. Experimental manipulation involves changing one variable to determine its effect on another, which is essential for establishing cause-and-effect relationships.

Which of the Following Are Necessary in an Experimental Design