In order to be certain that the effects are due to the experimental manipulation, experimenters typically include:
A)More participants
B)A control group
C)A different experimental group
D)A diverse group of participants

Question

Quizplus · Accepted Answer

To ensure that the effects are due to the experimental manipulation, a control group is necessary. The control group provides a baseline against which the experimental group can be compared. Without a control group, it would be difficult to determine whether any observed effects were due to the experimental manipulation or simply due to chance or other factors. While having more participants, a different experimental group, and a diverse group of participants can all be beneficial in certain situations, they are not essential for determining the effects of an experimental manipulation.

In Order to Be Certain That the Effects Are Due