True experiments have two key features that make them different from other studies. First, in a true experiment, the researcher manipulates (varies) one or more independent variables. Second, the researcher makes use of _____.
A) statistical testing
B) random assignment
C) interactions
D) priming

Question

Quizplus · Accepted Answer

Random assignment is the second key feature of a true experiment, as it helps to control for extraneous variables and ensures that groups being compared are equal at the start of the study. Statistical testing, interactions, and priming may also be used in true experiments, but they are not unique to this type of study.

True Experiments Have Two Key Features That Make Them Different