Randomized experiments are experimental designs that involve
A) the manipulation of variables.
B) the use of humans as research participants.
C) the use of random assignment to treatment conditions.
D) the strict adherence to ethical guidelines.

Question

Quizplus · Accepted Answer

Randomized experiments involve the use of random assignment to treatment conditions, meaning that participants are assigned to different groups by chance, rather than based on any particular trait or characteristic. This helps to ensure that any observed effects of the experimental manipulation are not simply due to chance or individual differences between participants. While the other answer choices may be involved in randomized experiments, they are not the defining feature of this type of experimental design.

Randomized Experiments Are Experimental Designs That Involve